Light and Matter. Assignment (due: M, 9/20): 1.) Read Ch ) Ch. 4 problems 1-12; Ch. 5 problems

Size: px
Start display at page:

Download "Light and Matter. Assignment (due: M, 9/20): 1.) Read Ch ) Ch. 4 problems 1-12; Ch. 5 problems"

Transcription

1 Light and Matter Assignment (due: M, 9/20): 1.) Read Ch ) Ch. 4 problems 1-12; Ch. 5 problems

2 Key Concepts: 1. The Experience of Light 2. The Physical Properties of Light 3. Properties of Matter: Atoms and Molecules 4. Learning from Light 5. Doppler Effect

3 The Everyday Experience of Light 1. Energy and Power 2. Light and Color 3. Light and Matter Interactions

4 The Everyday Experience of Light 1. Energy and Power What s the difference?

5 1. Energy and Power Power is the rate at which energy is delivered or received. e.g., 1 watt = 1 joule/s

6 1. Energy and Power Power is the rate at which energy is delivered, received, or transmitted.

7 1. Energy and Power Light transmits energy because each photon has a certain energy associated with it.

8 1. Energy and Power Home energy usage: 1 kw-h (killo-watt hour = 1 kilo-watt * 1 hour)

9 The Everyday Experience of Light 2. Light and Color White Light Spectrum

10 The Everyday Experience of Light 2. Light and Color

11 3. Interaction of Light and Matter: a. Emission b. Absorption c. Transmission d. Reflection / Scattering

12 3. Interaction of Light and Matter Interaction of Light and Matter: a. Emission, b. Absorption, c. Transmission, d. Reflection / Scattering

13 3. Interaction of Light and Matter Interaction of Light and Matter: a. Emission, b. Absorption, c. Transmission, d. Reflection / Scattering

14 The Everyday Experience of Light 3. Interaction of Light and Matter

15 The Everyday Experience of Light 3. Interaction of Light and Matter

16 Physical Properties of Light What is light? a particle and a wave

17 Physical Properties of Light Wave and Particle

18 Physical Properties of Light Electromagnetic Wave Some properties: wavelength * frequency = speed = c energy = h*frequency

19 Physical Properties of Light Electromagnetic Wave

20 Physical Properties of Light

21 Properties of Matter 1. The Structure of Matter old school picture

22 Properties of Matter 1. The Structure of Matter

23 Properties of Matter 1. The Structure of Matter

24 Properties of Matter Vocabulary: The Atom Atom Nucleus Protons Neutrons Electrons

25 Properties of Matter

26 Properties of Matter Vocabulary: Atomic Number, Z Atomic Mass, A Isotope: Same Z, different A Examples: C12, C13

27 Properties of Matter Isotopes

28 Properties of Matter: Isotopes

29 Properties of Matter Vocabulary: Isotope Electrical Charge Q: Why isn t matter charged, in general?

30 Properties of Matter

31 Properties of Matter: Phases

32 Properties of Matter: Phases

33 Properties of Matter: Phases

34 Properties of Matter: Phases Evaporation Sublimation

35 Properties of Matter: Phases Triple Point of Water: Phase Coexistence Phase depends on: Temperature and Pressure

36 Properties of Matter: Phases Vocabulary: Ion Ionization Molecular Dissociation Plasma Pressure

37 Properties of Matter: Energy and Energy Levels

38 Properties of Matter: Energy and Energy Levels Energy Level Transitions

39 Properties of Matter: Energy and Energy Levels Photon/light emission

40 Properties of Matter: Energy and Energy Levels Photon/light absorption and emission

41 Light as an Investigative Tool

42 Light as an Investigative Tool

43 Light as an Investigative Tool

44 Light as an Investigative Tool

45 Light as an Investigative Tool

46 Light as an Investigative Tool

47 Light as an Investigative Tool

48 Light as an Investigative Tool

49 Light as an Investigative Tool

50 Light as an Investigative Tool

51 Light as an Investigative Tool

52 Light as an Investigative Tool

53 Light as an Investigative Tool

54 Light as an Investigative Tool

55 Light as an Investigative Tool

56 Light as an Investigative Tool

57 The Doppler Effect A change in wavelength due to relative motion. Applies to sound and light.

58 The Doppler Effect

59 The Doppler Effect

60 The Doppler Effect

61 The Doppler Effect

62 The Doppler Effect: Example

63 The Doppler Effect: Example Star Rotation The Disk of the Sun

64 The Doppler Effect: Example Star Rotation Red Blue The Disk of the Sun

65 The Doppler Effect: Example Star Rotation

66 HW and Extra Credit Opportunities 1. Mirror Lab Tours: Tu, Fr, 1pm or 3pm, ~60-90 minutes Call Cathi Duncan, for reservation 2. Flandrau: Observatory: 16 inch Reflector: W, Th, Fr, Sa: 7pm - 10pm 3. Flandrau: Planetarium Show - Every day. More details online: Assignment (due: M, 9/20): 1.) Read Ch ) Ch. 4 problems 1-12; Ch. 5 problems

Light and Matter: Reading Messages from the Cosmos Pearson Education, Inc.

Light and Matter: Reading Messages from the Cosmos Pearson Education, Inc. Light and Matter: Reading Messages from the Cosmos Light and Color Light is a form of energy (think of the warmth of sunlight or a lightbulb) White light is actually made up of many different colors. How

More information

Chapter 5 Light and Matter: Reading Messages from the Cosmos. 5.1 Light in Everyday Life. How do we experience light?

Chapter 5 Light and Matter: Reading Messages from the Cosmos. 5.1 Light in Everyday Life. How do we experience light? Chapter 5 Light and Matter: Reading Messages from the Cosmos 5.1 Light in Everyday Life Our goals for learning: How do we experience light? How do light and matter interact? How do we experience light?

More information

Chapter 5: Light and Matter: Reading Messages from the Cosmos

Chapter 5: Light and Matter: Reading Messages from the Cosmos Chapter 5 Lecture Chapter 5: Light and Matter: Reading Messages from the Cosmos Light and Matter: Reading Messages from the Cosmos 5.1 Light in Everyday Life Our goals for learning: How do we experience

More information

Chapter 5 Light and Matter: Reading Messages from the Cosmos

Chapter 5 Light and Matter: Reading Messages from the Cosmos Chapter 5 Light and Matter: Reading Messages from the Cosmos 5.1 Light in Everyday Life Our goals for learning How do we experience light? How do light and matter interact? How do we experience light?

More information

Light and Matter: Reading Messages from the Cosmos. White light is made up of many different colors. Interactions of Light with Matter

Light and Matter: Reading Messages from the Cosmos. White light is made up of many different colors. Interactions of Light with Matter Chapter 5 Lecture The Cosmic Perspective Light and Matter: Reading Messages from the Cosmos 5.1 Light in Everyday Life Our goals for learning: How do we experience light? How do light and matter interact?

More information

Chapter 5 Light and Matter: Reading Messages from the Cosmos. How do we experience light? Colors of Light. How do light and matter interact?

Chapter 5 Light and Matter: Reading Messages from the Cosmos. How do we experience light? Colors of Light. How do light and matter interact? Chapter 5 Light and Matter: Reading Messages from the Cosmos How do we experience light? The warmth of sunlight tells us that light is a form of energy We can measure the amount of energy emitted by a

More information

Chapter 5 Light and Matter: Reading Messages from the Cosmos. What is light? Properties of Waves. Waves. The Electromagnetic Spectrum

Chapter 5 Light and Matter: Reading Messages from the Cosmos. What is light? Properties of Waves. Waves. The Electromagnetic Spectrum Chapter 5 Light and Matter: Reading Messages from the Cosmos What is light? Light is a form of radiant energy Light can act either like a wave or like a particle (photon) Spectrum of the Sun 1 2 Waves

More information

10/29/2018. Chapter 7. Atoms Light and Spectra. Reminders. Topics For Today s Class. Hydrogen Atom. The Atom. Phys1411 Introductory Astronomy

10/29/2018. Chapter 7. Atoms Light and Spectra. Reminders. Topics For Today s Class. Hydrogen Atom. The Atom. Phys1411 Introductory Astronomy Phys1411 Introductory Astronomy Instructor: Dr. Goderya Chapter 7 Atoms Light and Spectra Reminders Topics For Today s Class Project 1 due November 12 th after and during Lab. Extra-credit Homework online.

More information

If the whole universe has no meaning, we. should never have found out that it has no. meaning: just as, if there were no light in

If the whole universe has no meaning, we. should never have found out that it has no. meaning: just as, if there were no light in If the whole universe has no meaning, we should never have found out that it has no meaning: just as, if there were no light in the universe and therefore no creatures with eyes, we should never know it

More information

Buy-back points tallied and added: 750 points bought-back. Last Withdrawal date: this friday, Oct 31st.

Buy-back points tallied and added: 750 points bought-back. Last Withdrawal date: this friday, Oct 31st. Announcements HW #3: Available online now. Due in 1 week, Nov 3rd, 11pm. Buy-back points tallied and added: 750 points bought-back. Last Withdrawal date: this friday, Oct 31st. Evening Observing: next

More information

Light and Atoms. ASTR 1120 General Astronomy: Stars & Galaxies. ASTR 1120 General Astronomy: Stars & Galaxies !ATH REVIEW: #AST CLASS: "OMEWORK #1

Light and Atoms. ASTR 1120 General Astronomy: Stars & Galaxies. ASTR 1120 General Astronomy: Stars & Galaxies !ATH REVIEW: #AST CLASS: OMEWORK #1 ASTR 1120 General Astronomy: Stars & Galaxies!ATH REVIEW: Tonight, 5-6pm, in RAMY N1B23 "OMEWORK #1 -Due THU, Sept. 10, by 5pm, on Mastering Astronomy CLASS RECORDED STARTED - INFO WILL BE POSTED on CULEARN

More information

Chapter 5 Light: The Cosmic Messenger. Copyright 2012 Pearson Education, Inc.

Chapter 5 Light: The Cosmic Messenger. Copyright 2012 Pearson Education, Inc. Chapter 5 Light: The Cosmic Messenger 5.1 Basic Properties of Light and Matter Our goals for learning: What is light? What is matter? How do light and matter interact? What is light? Light is an electromagnetic

More information

Newton s Laws of Motion

Newton s Laws of Motion Newton s Laws of Motion #1: A body continues at rest or in uniform motion in a straight line unless acted upon by a force. Why doesn t the soccer ball move on its own? What causes a soccer ball to roll

More information

aka Light Properties of Light are simultaneously

aka Light Properties of Light are simultaneously Today Interaction of Light with Matter Thermal Radiation Kirchhoff s Laws aka Light Properties of Light are simultaneously wave-like AND particle-like Sometimes it behaves like ripples on a pond (waves).

More information

How does your eye form an Refraction

How does your eye form an Refraction Astronomical Instruments Eyes and Cameras: Everyday Light Sensors How does your eye form an image? How do we record images? How does your eye form an image? Refraction Refraction is the bending of light

More information

From Last Time Pearson Education, Inc.

From Last Time Pearson Education, Inc. From Last Time Light: Absorption, Emission, Transmission, Reflection, and Scattering c=λ x f E=h x f Light (electromagnetic radiation) extends from gamma rays (high E, high f, small λ) to radio waves (small

More information

Assignments. For Wed. 1 st Midterm is Friday, Oct. 12. Do Online Exercise 08 ( Doppler shift tutorial)

Assignments. For Wed. 1 st Midterm is Friday, Oct. 12. Do Online Exercise 08 ( Doppler shift tutorial) Assignments For Wed. Do Online Exercise 08 ( Doppler shift tutorial) 1 st Midterm is Friday, Oct. 12 Chapter 5 Light: The Cosmic Messenger Which forms of light are lower in energy and frequency than the

More information

9/19/ Basic Properties of Light and Matter. Chapter 5: Light: The Cosmic Messenger. What is light? Lecture Outline

9/19/ Basic Properties of Light and Matter. Chapter 5: Light: The Cosmic Messenger. What is light? Lecture Outline Lecture Outline 5.1 Basic Properties of Light and Matter Chapter 5: Light: The Cosmic Messenger Our goals for learning: What is light? What is matter? How do light and matter interact? What is light? Light

More information

Newton s Law of Gravity. Isaac Newton ( ) Newton s Law of Gravity. Newton s Laws of Motion. Newton s Laws of Motion 2/17/17

Newton s Law of Gravity. Isaac Newton ( ) Newton s Law of Gravity. Newton s Laws of Motion. Newton s Laws of Motion 2/17/17 Isaac Newton (1642-1727) English physicist and mathematician Studied motion, light, and gravity Newton puts all the pieces together Key idea: Mass Mass is the amount of matter in an object NOT the same

More information

AST 102 chapter 5. Radiation and Spectra. Radiation and Spectra. Radiation and Spectra. What is light? What is radiation?

AST 102 chapter 5. Radiation and Spectra. Radiation and Spectra. Radiation and Spectra. What is light? What is radiation? 5 Radiation and Spectra 1 Radiation and Spectra What is light? According to Webster: a.something that makes vision possible b.the sensation aroused by stimulation of the visual receptors c.electromagnetic

More information

Today. Kirchoff s Laws. Emission and Absorption. Stellar Spectra & Composition. Doppler Effect & Motion. Extrasolar Planets

Today. Kirchoff s Laws. Emission and Absorption. Stellar Spectra & Composition. Doppler Effect & Motion. Extrasolar Planets Today Kirchoff s Laws Emission and Absorption Stellar Spectra & Composition Doppler Effect & Motion Extrasolar Planets Three basic types of spectra Continuous Spectrum Intensity Emission Line Spectrum

More information

Thermal Radiation and Line Emission 7/7/09. Astronomy 101

Thermal Radiation and Line Emission 7/7/09. Astronomy 101 Thermal Radiation and Line Emission 7/7/09 Astronomy 101 Astronomy Picture of the Day Astronomy 101 Outline for Today Astronomy Picture of the Day Astro News Article Business Return Lab 3 Q&A session Thermal

More information

Photochemical principles

Photochemical principles Chapter 1 Photochemical principles Dr. Suzan A. Khayyat 1 Photochemistry Photochemistry is concerned with the absorption, excitation and emission of photons by atoms, atomic ions, molecules, molecular

More information

Review: Properties of a wave

Review: Properties of a wave Radiation travels as waves. Waves carry information and energy. Review: Properties of a wave wavelength (λ) crest amplitude (A) trough velocity (v) λ is a distance, so its units are m, cm, or mm, etc.

More information

A100H Exploring the Universe: The interaction of light and matter. Martin D. Weinberg UMass Astronomy

A100H Exploring the Universe: The interaction of light and matter. Martin D. Weinberg UMass Astronomy A100H Exploring the Universe: The interaction of light and matter Martin D. Weinberg UMass Astronomy astron100h-mdw@courses.umass.edu February 11, 2016 Read: Chap 5 02/11/16 slide 1 Exam #1: Thu 18 Feb

More information

What makes the color pink? Black and white TV summary. Different color phosphors. Color TV. Different color pixels

What makes the color pink? Black and white TV summary. Different color phosphors. Color TV. Different color pixels Energy What makes the color pink? Black and white TV summary Picture made from a grid of dots (pixels) Dots illuminated when electron beam hits phosphor Beam scanned across entire screen ~ 50 times a second

More information

Electromagnetic Radiation

Electromagnetic Radiation Electromagnetic Radiation aka Light Properties of Light are simultaneously wave-like AND particle-like Sometimes it behaves like ripples on a pond (waves). Sometimes it behaves like billiard balls (particles).

More information

! Finish Ch. 4.! Start Chapter 10: The Sun.! Homework Due: Oct. 10

! Finish Ch. 4.! Start Chapter 10: The Sun.! Homework Due: Oct. 10 ! Finish Ch. 4! Start Chapter 10: The Sun! Homework Due: Oct. 10 A Spectral Mystery Mystery: Why do so many stars have an absorption spectrum (with certain colors missing)? The atoms that make up these

More information

ASTRONOMY. Chapter 5 RADIATION AND SPECTRA PowerPoint Image Slideshow

ASTRONOMY. Chapter 5 RADIATION AND SPECTRA PowerPoint Image Slideshow ASTRONOMY Chapter 5 RADIATION AND SPECTRA PowerPoint Image Slideshow FIGURE 5.1 Our Sun in Ultraviolet Light. This photograph of the Sun was taken at several different wavelengths of ultraviolet, which

More information

Lecture 6: The Physics of Light, Part 1. Astronomy 111 Wednesday September 13, 2017

Lecture 6: The Physics of Light, Part 1. Astronomy 111 Wednesday September 13, 2017 Lecture 6: The Physics of Light, Part 1 Astronomy 111 Wednesday September 13, 2017 Reminders Star party tonight! Homework #3 due Monday Exam #1 Monday, September 25 The nature of light Look, but don t

More information

3/26/2018. Atoms Light and Spectra. Topics For Today s Class. Reminder. Topics For Today s Class. The Atom. Phys1403 Stars and Galaxies

3/26/2018. Atoms Light and Spectra. Topics For Today s Class. Reminder. Topics For Today s Class. The Atom. Phys1403 Stars and Galaxies Foundations of Astronomy 13e Seeds Foundations of Astronomy 13e Seeds Phys1403 Stars and Galaxies Instructor: Dr. Goderya Chapter 7 Atoms Light and Spectra Reminder Homework for Chapter 5, 6 and 7 is posted

More information

HW 5 posted. Deadline: * Monday 3.00 PM * -- Tip from the coach: Do it earlier, as practice for mid term (it covers only parts included in exam).

HW 5 posted. Deadline: * Monday 3.00 PM * -- Tip from the coach: Do it earlier, as practice for mid term (it covers only parts included in exam). Admin HW 5 posted. Deadline: * Monday 3.00 PM * -- Tip from the coach: Do it earlier, as practice for mid term (it covers only parts included in exam). Lab Wednesday/Thursday -- Spectra http://jonsundqvist.com/phys133/labs.html

More information

14-Feb-18 INSIDE STARS. Matter and Energy. Matter and Energy. Matter and Energy. What is matter?

14-Feb-18 INSIDE STARS. Matter and Energy. Matter and Energy. Matter and Energy. What is matter? What is matter? What is matter? It's what everything that occupies space and has mass is made of And everything like that is made out of chemical elements There are 92 naturally occurring chemical elements,

More information

Chapter 6 The Atom Study Guide

Chapter 6 The Atom Study Guide Chapter 6 The Atom Study Guide Read pages 118-125 Look at all words in bold or colored print Look at the paragraph summaries on the sides Section 6.1 Fundamental Particles and Forces Vocabulary Definition

More information

Atoms and Spectra October 8th, 2013

Atoms and Spectra October 8th, 2013 Atoms and Spectra October 8th, 2013 Announcements Second writing assignment due two weeks from today (again, on a news item of your choice). Be sure to make plans to visit one of the open observing nights

More information

The Nature of Light. Chapter Five

The Nature of Light. Chapter Five The Nature of Light Chapter Five Guiding Questions 1. How fast does light travel? How can this speed be measured? 2. Why do we think light is a wave? What kind of wave is it? 3. How is the light from an

More information

Prentice Hall EARTH SCIENCE

Prentice Hall EARTH SCIENCE Prentice Hall EARTH SCIENCE Tarbuck Lutgens Chapter 24 Studying the Sun 24.1 The Study of Light Electromagnetic Radiation Electromagnetic radiation includes gamma rays, X-rays, ultraviolet light, visible

More information

Light III The Atom & Spectra. February 12, 2012

Light III The Atom & Spectra. February 12, 2012 Light III The Atom & Spectra February 12, 2012 Average: 65 20 Test 1 15 10 5 0 0-50 50-60 60-70 70-80 80-90 90-100 Takeaway Message: YOU NEED TO STUDY MORE you need to come to class EVERY DAY (TPS questions

More information

Lecture: October 6, 2010

Lecture: October 6, 2010 Lecture: October 6, 2010 Announcements: Next Observatory Opportunity: Tonight at 7:30 Problem Set 3 Due next Monday Second Exam October 25 Tides Since gravitational force decreases with (distance) 2, the

More information

Today. Spectra. Thermal Radiation. Wien s Law. Stefan-Boltzmann Law. Kirchoff s Laws. Emission and Absorption. Spectra & Composition

Today. Spectra. Thermal Radiation. Wien s Law. Stefan-Boltzmann Law. Kirchoff s Laws. Emission and Absorption. Spectra & Composition Today Spectra Thermal Radiation Wien s Law Stefan-Boltzmann Law Kirchoff s Laws Emission and Absorption Spectra & Composition Spectrum Originally, the range of colors obtained by passing sunlight through

More information

Next Homework Due March 6. Coming up: The Sun (Chapter 10)

Next Homework Due March 6. Coming up: The Sun (Chapter 10) Today Summary of Chapter 3: Light All of Chapter 4: Spectra & Atoms Optional: Ast. Toolbox 4-2 Optional: Stephan-Boltzmann Law Next Homework Due March 6 Coming up: The Sun (Chapter 10) Extra Credit Astro-talks:

More information

Oklahoma Priority Academic Student Skills: High School Science

Oklahoma Priority Academic Student Skills: High School Science Ph.INQ.1.1 Observe and Measure Identify qualitative and quantitative changes given conditions (e.g., temperature, mass, volume, time, position, length) before, during, and after an event. 7 English vs

More information

LIFE CYCLE OF A STAR

LIFE CYCLE OF A STAR LIFE CYCLE OF A STAR First stage = Protostar PROTOSTAR Cloud of gas and dust many light-years across Gravity tries to pull the materials together Eventually, at the center of the ball of dust and gas,

More information

X Rays must be viewed from space used for detecting exotic objects such as neutron stars and black holes also observing the Sun.

X Rays must be viewed from space used for detecting exotic objects such as neutron stars and black holes also observing the Sun. 6/25 How do we get information from the telescope? 1. Galileo drew pictures. 2. With the invention of photography, we began taking pictures of the view in the telescope. With telescopes that would rotate

More information

Big Bang, Black Holes, No Math

Big Bang, Black Holes, No Math ASTR/PHYS 109 Dr. David Toback Lectures 16 & 17 1 Was due Today L17 Reading: (BBBHNM Unit 2) Pre-Lecture Reading Questions: Let us know if you were misgraded on any submissions End-of-Chapter Quizzes:

More information

Light, Energy and Matter

Light, Energy and Matter Announcements You should see a polling session active if you are using the REEF app. Make sure you are signed in I have thee iclickers to loan out. First come, first served. If you borrow one, please remember

More information

Chapter 6. Atoms and Starlight

Chapter 6. Atoms and Starlight Chapter 6 Atoms and Starlight What is light? Light is an electromagnetic wave. Wavelength and Frequency wavelength frequency = speed of light = constant Particles of Light Particles of light are called

More information

Review: Light and Spectra. Absorption and Emission Lines

Review: Light and Spectra. Absorption and Emission Lines 1 Review: Light and Spectra Light is a wave It undergoes diffraction and other wave phenomena. But light also is made of particles Energy is carried by photons 1 Wavelength energy of each photon Computer

More information

Telescopes have Three Powers

Telescopes have Three Powers Telescopes have Three Powers 1. Light Gathering Power: The ability to collect light 2. Resolving Power: The ability to see fine details 3. Magnifying Power: The ability to make objects look bigger Pizzas!!!

More information

Topics Covered in Chapter. Light and Other Electromagnetic Radiation. A Subatomic Interlude II. A Subatomic Interlude. A Subatomic Interlude III

Topics Covered in Chapter. Light and Other Electromagnetic Radiation. A Subatomic Interlude II. A Subatomic Interlude. A Subatomic Interlude III Light and Other Electromagnetic Radiation Topics Covered in Chapter 1.Structure of Atoms 2.Origins of Electromagnetic Radiation 3.Objects with Different Temperature and their Electromagnetic Radiation

More information

Light and Other Electromagnetic Radiation

Light and Other Electromagnetic Radiation Light and Other Electromagnetic Radiation 1 Topics Covered in Chapter 1.Structure of Atoms 2.Origins of Electromagnetic Radiation 3.Objects with Different Temperature and their Electromagnetic Radiation

More information

1, 2, 3, 4, 6, 14, 17 PS1.B

1, 2, 3, 4, 6, 14, 17 PS1.B Correlations to Next Generation Science Standards Physical Science Disciplinary Core Ideas PS-1 Matter and Its Interactions PS1.A Structure and Properties of Matter Each atom has a charged substructure

More information

Light & Atoms. Electromagnetic [EM] Waves. Light and several other forms of radiation are called electromagnetic waves or electromagnetic radiation.

Light & Atoms. Electromagnetic [EM] Waves. Light and several other forms of radiation are called electromagnetic waves or electromagnetic radiation. Light & Atoms Electromagnetic [EM] Waves Light and several other forms of radiation are called electromagnetic waves or electromagnetic radiation. These have both and electric part and a magnetic part

More information

Name(s) Period Date. Earth s Energy Budget: How Is the Temperature of Earth Controlled?

Name(s) Period Date. Earth s Energy Budget: How Is the Temperature of Earth Controlled? Name(s) Period Date 1 Introduction Earth s Energy Budget: How Is the Temperature of Earth Controlled? As you learned from the reading, the balance between incoming energy from the sun and outgoing energy

More information

Warm-up For sulfur: 1. How many valence electrons does it have? 2. What ion does this typically form? 3. Write the electron configuration for the ion.

Warm-up For sulfur: 1. How many valence electrons does it have? 2. What ion does this typically form? 3. Write the electron configuration for the ion. Warm-up For sulfur: 1. How many valence electrons does it have? 2. What ion does this typically form? 3. Write the electron configuration for the ion. Nucleus Contains 99.9% of the mass of an atom Found

More information

4.2 A Scientific View of Energy Kinetic Energy

4.2 A Scientific View of Energy Kinetic Energy 4. A Universe of Matter and Energy 4.1 Matter and Energy in Everyday Life The eternal mystery of the world is its comprehensibility. The fact that it is comprehensible is a miracle. Albert Einstein (1879

More information

10/4/2011. Tells you the number of protons

10/4/2011. Tells you the number of protons Atomic Structure The arrangement of the subatomic particles within the atom determines the chemical properties of the elements How they interact with one another The types of ions and structures that they

More information

Introduction to Electromagnetic Radiation and Radiative Transfer

Introduction to Electromagnetic Radiation and Radiative Transfer Introduction to Electromagnetic Radiation and Radiative Transfer Temperature Dice Results Visible light, infrared (IR), ultraviolet (UV), X-rays, γ-rays, microwaves, and radio are all forms of electromagnetic

More information

PhET Light Emission and Lasers (27 points available x 2/3 = 18 points max score)

PhET Light Emission and Lasers (27 points available x 2/3 = 18 points max score) IB PHYSICS Name: Period: Date: DEVIL PHYSICS BADDEST CLASS ON CAMPUS GETTING STARTED: PhET Light Emission and Lasers (27 points available x 2/3 = 18 points max score) Go to https://phet.colorado.edu/ Click

More information

PH104 Lab 1 Light and Matter Pre-lab

PH104 Lab 1 Light and Matter Pre-lab Name: Lab Time: PH04 Lab Light and Matter Pre-lab. Goals Since this is the first lab, we don t want to try to do things that are too complex. We would like to get used to the lab room and some of the steps

More information

Electromagnetic Waves

Electromagnetic Waves 4/15/12 Chapter 26: Properties of Light Field Induction Ok, so a changing magnetic field causes a current (Faraday s law) Why do we have currents in the first place? electric fields of the charges Changing

More information

(in case you missed it yesterday ) Merger of Two Neutron Stars!

(in case you missed it yesterday ) Merger of Two Neutron Stars! (in case you missed it yesterday ) Merger of Two Neutron Stars! https://cmns.umd.edu/news-events/features/3997 More on this later in the semester Lecture #14: Plan Light (cont d) Atomic physics Formation

More information

8 th Grade Integrated Science Curriculum

8 th Grade Integrated Science Curriculum Date Hobbs Science By being embedded throughout the curriculum, these Processing Skills will be addressed throughout the year. 8.1 Scientific Thinking and Practice 1. Use scientific methods to develop

More information

SCIENCE STUDENT BOOK. 12th Grade Unit 9

SCIENCE STUDENT BOOK. 12th Grade Unit 9 SCIENCE STUDENT BOOK 12th Grade Unit 9 Unit 9 ATOMIC AND NUCLEAR PHYSICS SCIENCE 1209 ATOMIC AND NUCLEAR PHYSICS INTRODUCTION 3 1. QUANTUM THEORY 5 ELECTROMAGNETIC RADIATION 6 MATTER WAVES 12 ATOMIC MODELS

More information

Next Homework Due Oct. 9. Coming up: The Sun (Chapter 10)

Next Homework Due Oct. 9. Coming up: The Sun (Chapter 10) Today Summary of Chapter 3: Light All of Chapter 4: Spectra & Atoms Optional: Ast. Toolbox 4-2 Optional: Stephan-Boltzmann Law Next Homework Due Oct. 9 Coming up: The Sun (Chapter 10) Resolving Power:

More information

Chapter 9 The Sun. Nuclear fusion: Combining of light nuclei into heavier ones Example: In the Sun is conversion of H into He

Chapter 9 The Sun. Nuclear fusion: Combining of light nuclei into heavier ones Example: In the Sun is conversion of H into He Our sole source of light and heat in the solar system A common star: a glowing ball of plasma held together by its own gravity and powered by nuclear fusion at its center. Nuclear fusion: Combining of

More information

Astro 1050 Wed. Feb. 18, 2015

Astro 1050 Wed. Feb. 18, 2015 Astro 1050 Wed. Feb. 18, 2015 Today: Begin Chapter 5: Light the Cosmic Messenger For Friday: Study for Test #1 Be sure to bring green bubble sheet, #2 pencil and a calculator. 1 Chapter 5: Light, the Cosmic

More information

Electromagnetic Waves

Electromagnetic Waves Big Bang Theory OUTLINE First 25 minutes of the video Notes on waves, Doppler effect, and red/blue shift Mini lab on spectrums and how they are used to understand red and blue shift Mini lab on the expanding

More information

Astronomical Observations: Distance & Light 7/2/09. Astronomy 101

Astronomical Observations: Distance & Light 7/2/09. Astronomy 101 Astronomical Observations: Distance & Light 7/2/09 Astronomy 101 Astronomy Picture of the Day Astronomy 101 Something Cool: Lasers on the Moon Astronomy 101 Outline for Today Astronomy Picture of the Day

More information

3. It became unstable and exploded 2. This point was. Timeline of Events 4. This outward expansion

3. It became unstable and exploded 2. This point was. Timeline of Events 4. This outward expansion NOTES BB.notebook The Universe started as a single point of highly concentrated matter 3. It became unstable and exploded 2. This point was extremely dense Density: the amount of mass contained in a certain

More information

Hydrogen Lines. What can we learn from light? Spectral Classification. Visible Hydrogen Spectrum Lines: Series. Actual Spectrum from SDSS

Hydrogen Lines. What can we learn from light? Spectral Classification. Visible Hydrogen Spectrum Lines: Series. Actual Spectrum from SDSS What can we learn from light? Hydrogen Lines Temperature Energy Chemical Composition Speed towards or away from us All from the! Lower E, Lower f, λ Visible! Higher E, Higher f, λ Visible Hydrogen Spectrum

More information

Focusing on Light What is light? Is it a particle or a wave? An age-old debate that has persisted among scientists is related to the question, "Is

Focusing on Light What is light? Is it a particle or a wave? An age-old debate that has persisted among scientists is related to the question, Is Focusing on Light What is light? Is it a particle or a wave? An age-old debate that has persisted among scientists is related to the question, "Is light a wave or a stream of particles?" Very noteworthy

More information

Develop a model to describe that light reflecting from objects and entering the eye allows objects to be seen.

Develop a model to describe that light reflecting from objects and entering the eye allows objects to be seen. Light Novice White light is composed of many colors. Objects can be seen if light is available to illuminate them or if they give off their own light. Different kinds of matter exist and many of them can

More information

What is LIGHT? Reading Question

What is LIGHT? Reading Question Reading Question What is LIGHT? A. Light is a wave, like sound only much faster. B. Light is like little particles. Each one is a photon. C. Light is the absence of dark. D. A kind of energy we model with

More information

Matter, Light, and their Interactions

Matter, Light, and their Interactions Matter, Light, and their Interactions A Planetary Model of the Atom Almost all astronomical information is obtained through the light we receive from cosmic objects Announcements n Grades for EXAM 1 are

More information

[16] Planetary Meteorology (10/24/17)

[16] Planetary Meteorology (10/24/17) 1 [16] Planetary Meteorology (10/24/17) Upcoming Items 1. Homework #7 due now. 2. Homework #8 due in one week. 3. Midterm #2 on Nov 7 4. Read pages 239-240 (magnetic fields) and Ch. 10.6 by next class

More information

Radioactive Decay and Radiometric Dating

Radioactive Decay and Radiometric Dating Radioactive Decay and Radiometric Dating Extra credit: chapter 7 in Bryson See online (link fixed) or moodle Radioactivity and radiometric dating Atomic nucleus Radioactivity Allows us to put numerical

More information

Exploring Atoms. Introduction

Exploring Atoms. Introduction Exploring Atoms Introduction Atoms All physical entities are made of matter. Matter is anything which has mass and takes up space. There are three common states of matter--solid, liquid, and gas--on earth.

More information

The Bohr Model of Hydrogen, a Summary, Review

The Bohr Model of Hydrogen, a Summary, Review The Bohr Model of Hydrogen, a Summary, Review Allowed electron orbital radii and speeds: Allowed electron energy levels: Problems with the Bohr Model Bohr s model for the atom was a huge success in that

More information

SPECTROSCOPY PRELAB. 2) Name the 3 types of spectra and, in 1 sentence each, describe them.

SPECTROSCOPY PRELAB. 2) Name the 3 types of spectra and, in 1 sentence each, describe them. NAME: SPECTROSCOPY PRELAB 1) What is a spectrum? 2) Name the 3 types of spectra and, in 1 sentence each, describe them. a. b. c. 3) Use Wien s law to calculate the surface temperature of the star Alnilam

More information

Prof. Jeff Kenney Class 5 June 1, 2018

Prof. Jeff Kenney Class 5 June 1, 2018 www.astro.yale.edu/astro120 Prof. Jeff Kenney Class 5 June 1, 2018 to understand how we know stuff about the universe we need to understand: 1. the spectral analysis of light 2. how light interacts with

More information

Atomic Spectroscopy. Objectives

Atomic Spectroscopy. Objectives Atomic Spectroscopy Name Objectives explain the difference between emission and absorption spectra calculate the energy of orbits in the Bohr model of hydrogen calculate E for energy transitions in the

More information

CHM 111 Unit 7 Sample Questions

CHM 111 Unit 7 Sample Questions Name: Class: Date: As you work these problems, consider and explain: A. What type of question is it? B. How do you know what type of question it is? C. What information are you looking for? D. What information

More information

Chapter 4 Spectroscopy

Chapter 4 Spectroscopy Chapter 4 Spectroscopy The beautiful visible spectrum of the star Procyon is shown here from red to blue, interrupted by hundreds of dark lines caused by the absorption of light in the hot star s cooler

More information

AST 105 Intro Astronomy The Solar System. MIDTERM II: Tuesday, April 5 [covering Lectures 10 through 16]

AST 105 Intro Astronomy The Solar System. MIDTERM II: Tuesday, April 5 [covering Lectures 10 through 16] AST 105 Intro Astronomy The Solar System MIDTERM II: Tuesday, April 5 [covering Lectures 10 through 16] REVIEW Light as Information Bearer We can separate light into its different wavelengths (spectrum).

More information

Review Questions for the new topics that will be on the Final Exam

Review Questions for the new topics that will be on the Final Exam Review Questions for the new topics that will be on the Final Exam Be sure to review the lecture-tutorials and the material we covered on the first three exams. How does speed differ from velocity? Give

More information

HOMEWORK - Chapter 4 Spectroscopy

HOMEWORK - Chapter 4 Spectroscopy Astronomy 10 HOMEWORK - Chapter 4 Spectroscopy Use a calculator whenever necessary. For full credit, always show your work and explain how you got your answer in full, complete sentences on a separate

More information

LIFE CYCLE OF A STAR

LIFE CYCLE OF A STAR LIFE CYCLE OF A STAR First stage = Protostar PROTOSTAR Cloud of gas and dust many light-years across Gravity tries to pull the materials together Eventually, at the center of the ball of dust and gas,

More information

ASTR : Stars & Galaxies (Spring 2019)... Study Guide for Midterm 1

ASTR : Stars & Galaxies (Spring 2019)... Study Guide for Midterm 1 ASTR-1200-01: Stars & Galaxies (Spring 2019)........................ Study Guide for Midterm 1 The first midterm exam for ASTR-1200 takes place in class on Wednesday, February 13, 2019. The exam covers

More information

The Theory of Electromagnetism

The Theory of Electromagnetism Notes: Light The Theory of Electromagnetism James Clerk Maxwell (1831-1879) Scottish physicist. Found that electricity and magnetism were interrelated. Moving electric charges created magnetism, changing

More information

PHA5/W. PHYSICS (SPECIFICATION A) Unit 5 Nuclear Instability: Astrophysics Option

PHA5/W. PHYSICS (SPECIFICATION A) Unit 5 Nuclear Instability: Astrophysics Option Surname Centre Number Other Names Candidate Number Leave blank Candidate Signature General Certificate of Education January 2004 Advanced Level Examination PHYSICS (SPECIFICATION A) Unit 5 Nuclear Instability:

More information

Earth s Energy Budget: How Is the Temperature of Earth Controlled?

Earth s Energy Budget: How Is the Temperature of Earth Controlled? 1 NAME Investigation 2 Earth s Energy Budget: How Is the Temperature of Earth Controlled? Introduction As you learned from the reading, the balance between incoming energy from the sun and outgoing energy

More information

WELCOME TO PERIOD 20: RADIANT ENERGY FROM THE SUN

WELCOME TO PERIOD 20: RADIANT ENERGY FROM THE SUN WELCOME TO PERIOD 20: RADIANT ENERGY FROM THE SUN Homework #19 is due today. Midterm 2: Weds, Mar 27, 7:45 8:55 pm (Same room as your midterm 1 exam.) Covers periods 10 19 and videos 3 & 4 Review: Tues,

More information

Lecture 8: What we can learn via light

Lecture 8: What we can learn via light Lecture 8: What we can learn via light As with all course material (including homework, exams), these lecture notes are not be reproduced, redistributed, or sold in any form. Lecture 8: What we can learn

More information

What are the three basic types of spectra?

What are the three basic types of spectra? Learning from Light Our goals for learning What are the three basic types of spectra? How does light tell us what things are made of? How does light tell us the temperatures of planets and stars? How do

More information

PHYS 160 Astronomy Test #2 Fall 2017 Version A

PHYS 160 Astronomy Test #2 Fall 2017 Version A PHYS 160 Astronomy Test #2 Fall 2017 Version A I. True/False (1 point each) Circle the T if the statement is true, or F if the statement is false on your answer sheet. 1. A blackbody emits all of its radiation

More information

Physics 6C. Final Practice Solutions. Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB

Physics 6C. Final Practice Solutions. Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Physics 6C Final Practice Solutions Use the following information for problems 1 and. A beam of white light with frequency between 4.00 x 10 14 Hz and 7.90 x 10 14 Hz is incident on a sodium surface, which

More information

Lecture 7. Outline. ASTR 111 Section 002. Discuss Quiz 5 Light. Light travels through empty space at a speed of 300,000 km/s

Lecture 7. Outline. ASTR 111 Section 002. Discuss Quiz 5 Light. Light travels through empty space at a speed of 300,000 km/s Lecture 7 ASTR 111 Section 002 Outline Discuss Quiz 5 Light Suggested reading: Chapter 5.1-5.2 and 5.6-5.8 of textbook Light travels through empty space at a speed of 300,000 km/s In 1676, Danish astronomer

More information

REVIEW TOPICS FOR EXAM 2 (CHAPTERS 3 AND 4)

REVIEW TOPICS FOR EXAM 2 (CHAPTERS 3 AND 4) REVIEW TOPICS FOR EXAM 2 (CHAPTERS 3 AND 4) BEST METHOD FOR STUDYING As you read Chapter 3.1, go to Chapter 3.1 in this Review Topics Packet along with your class notes. Repeat the process with the remaining

More information

IGHT RADE ASSESSMENT PACKET Discover refraction, reflection, beam scattering, optical density, transmission, and absorption as you investigate the electromagnetic spectrum using lenses, mirrors and filters

More information