October 5 th 2015 page 57
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1 ENERGY
2 October 5 th 2015 page 57 DO: I will be able to breakdown the relationships as well as unique characteristics the forms and types of energy by creating my own graphic organizer. EQ: Explain the characteristics of Potential and Kinetic Energy. WARM UP: Which situation describes a conversion from kinetic energy into potential energy? a. An apple falling from a tree b. A duck moves through water c. A rubber band wrapped around stalks of broccoli d. A can rolls along the floor
3 Guiding Questions: 1. Where does energy come from? 2.How is energy used? 3.What forms of energy can we see and where?
4 Energy: Causes changes ANY type of activity requires energy.
5 POTENTIAL AND KINETIC ENERGY
6 ALL ENERGY Comes from the SUN!
7 Potential Energy Energy that is not being used is stored energy. Just like you store unused flour in a container, notebook paper in your binder, or food in a pantry, you can also store energy. Stored energy is called potential energy. Key Point: Potential Energy is STORED ENERGY.
8 Potential Energy The higher something is from the surface of the Earth, the greater it s potential energy. This is because it has more room to move. You can calculate the Potential energy of something: PE = mass x height Key Point: Things sitting up high have more potential energy than things sitting on the ground.
9 Potential Energy The ball at the top of the hill has a great deal of potential energy.
10 Potential Energy There are many places where you can find potential energy stored besides up high! oin a candy bar! (chemical) oin a battery! (chemical) oin your cells! (chemical) oat a power facility! (nuclear) oin a rubber band! (elastic) oin a bow and arrow (elastic)
11 Potential Energy
12 Kinetic Energy Energy that is being used is creating action of some kind. All things that move contain the energy of motion, and we call this kinetic energy. When you tap into the stored stuff you have (food from the pantry or paper from your binder), then you are using that resource at the moment. The same goes with energy-when we tap into it, it becomes active energy. Key Point: Kinetic energy is ENERGY OF MOTION.
13 Kinetic Energy Two things can affect the amount of kinetic energy of something. 1. Its mass. Simply put, the bigger something is, the greater its energy. 2. Its velocity(speed). Again, pretty simple. The faster it moves, the more energy it has. KE = M x V (This might remind you of the formula for force. How do force and energy relate to each other?)
14 Kinetic Energy Anytime you see something moving, you are seeing kinetic energy. It s the energy of a moving bus, a roller coaster, a plane flying, and a paratrooper jumping. Key Point: Nothing moves without energy. Nothing.
15 Kinetic Energy
16 Types of Energy Thermal Chemical Light Electrical Mechanical 2013 S. Coates Sound
17 Creative Writing: Create a Pneumonic Device for types of energy. KINETIC M- Mechanical R- Radiant S- Sound F-Friction E-Electrical T-Thermal POTENTIAL: G- Gravitational E- Elastic N- Nuclear C-Chemical
18 October 6 th 2015 page 59 DO: I will be able to breakdown the relationships as well as unique characteristics the forms and types of energy by creating my own graphic organizer. EQ: Explain the characteristics of Potential and Kinetic Energy. WARM UP: Explain the conversion from kinetic energy into potential energy: a. An apple falling from a tree
19 NBI Practical PG 58 Explain: 1. An everyday PE transformation to KE 2. An everyday KE transformation to PE Make an analogy- KE and PE are like because
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22 Compare and Contrast: Potential and Kinetic energy
23 Kinetic Energy Kinetic energy is also known as energy of motion. Which object has more kinetic energy? Why?
24 Kinetic Energy Depends on Two Things Greater mass = greater kinetic energy Greater speed = greater kinetic energy
25 Lets check your understanding The amount of kinetic energy an object has depends on what two things? Speed and Mass What is a unit of work called? Joule The Hulk carries a 2ooN car a distance of 10 meters. How much work has he done? Work=ForcexDistance Work = 200N x 10 Meters Work = 2000 Newton/Meters or 2000 Joules
26 The Law of conservation of Energy Energy cannot be created or destroyed, it can only change form.
27 What are the types of energy? Kinetic Energy M R S F E T Potential Energy G E N C
28 Chemical Chemical energy is the energy stored within the bonds between atoms.
29 Thermal (Heat) Energy from the kinetic motion of molecules.
30 Radiant (Light) Energy from the sun.
31 Electrical Energy from the flow of electrons.
32 Nuclear Energy from the mass of atoms.
33 Closure: Create an example of a system that has 2 transformations of PE and KE. Ex: I put gas in my car (potential energy) the was transformed into mechanical energy (kinetic energy) as the engine began to move.
34 October 7 th 2015 page 61 DO: I will be able to breakdown the relationships as well as unique characteristics the forms and types of energy by creating my own graphic organizer. EQ: Explain the characteristics of Potential and Kinetic Energy. WARM UP: Create two examples of energy transformations. Each should be three steps or more.
35 NBI-4 th and 5 th Only: Mini Anchor Charts: Create your own graphic organizers with your group. First make a list of all of the energy words that you are confident that you can explain. Create an organizer for these words (take a picture). Then create a new organizer that is based on new criteria for example: the use, a transition, etc. (take a picture). Then create a graphic organizer anchor chart with definitions, explanations, and pictures using the classification that your group preferred most from the activity.
36 Energy Transformations Energy is constantly being transformed from one form to another. Identify the energy transformations in these pictures:
37 The Law of conservation of Energy Energy cannot be created or destroyed, it can only change form.
38 Mechanical Mechanical energy is energy used structured movement. EX: Walking. Train wheels turning.
39 Chemical Chemical energy is the energy stored within the bonds between atoms.
40 Thermal (Heat) Energy from the kinetic motion of molecules.
41 Radiant (Light) Energy from the sun.
42 Electrical Energy from the flow of electrons.
43 Nuclear Energy from the mass of atoms.
44 Friction The resistance to motion, created by two objects moving against each other (produces heat).
45 Gravitational Potential Energy that is due to the height of an object.
46 Creative Writing: Create a story about MRS FET and GEN-C. Pneumonic Device for types of energy. Write a sentence about each letter in the Pneumonic Device MRS. FET and GEN-C. Ex. M-Mrs. Fet is a very energetic lady, she is in constant Mechanical Motion moving her feet as she walks down the street. KINETIC M- Mechanical R- Radiant S- Sound F-Friction E-Electrical T-Thermal POTENTIAL: G- Gravitational E- Elastic N- Nuclear C-Chemical
47 October 8 th 2015 page 63 DO: I will be able to breakdown the relationships as well as unique characteristics the forms and types of energy by creating my own graphic organizer. EQ: Explain the characteristics of Potential and Kinetic Energy. A. B. C. C. WARM UP: Explain the types of heat transfer occurring in the picture.
48 October 8 th 2015 page 63 DO: I will be able to breakdown the relationships as well as unique characteristics the forms and types of energy by creating my own graphic organizer. EQ: Explain the characteristics of Potential and Kinetic Energy. A. B. C. C. WARM UP: Explain the types of heat transfer occurring in the picture.
49 Energy is never transformed 100% Energies do not transform 100% of the chemical energy from gasoline into kinetic energy. Bicycles do not transform 100% of the energy from the biker into motion. Energy is NOT lost, it s just transformed to heat.
50 Calorie Energy of heat can also be measured in Calories. 1 Calorie is = 4.18 Joules 1 Calorie is the amount of heat needed to raise 1gram of water 1 0 Celsius. How do food scientists determine the amount of calories in a food item? (VIDEO)
51 Calories continued What does 200 calories look like? Just for fun
52 Examples Examples
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54 What type of energy is given off when ice melts? Thermal 2013 S. Coates
55 What type of energy is given off when glass is dropped? Sound 2013 S. Coates
56 What type of energy is given off when a light is turned on? Thermal Sound Light 2013 S. Coates
57 What type of energy is given off when fireworks explode? Thermal Sound Mechanical Light 2013 S. Coates
58 What type of energy is given off when water boils in a kettle? Sound Thermal 2013 S. Coates
59 What type of energy is given off when wood is cut with a saw? Sound Thermal 2013 S. Coates
60 Picture this Explain ALL of the energy transformatio ns that you can observe in this picture.
61 October 9 th 2014 page 65 DO: I will be able to breakdown the relationships as well as unique characteristics the forms and types of energy by creating my own graphic organizer. EQ: Explain the characteristics of Potential and Kinetic Energy. WARM UP: Create two examples of energy transformations. Each should be three steps or more.
62 Journal EXPLAIN HOW ENERGY TRANSITIONS RELATE TO THE ECOLOGICAL CYCLES THAT GOVERN THE EARTH? 2. HOW DOES HUMAN INTERFERENCE IMPACT THE CONDITIONS OF THE GLOBE?
63 Using the pictures explain the energy transformations. Example
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69 Reading and Section reviews Read the passage in the text book. Then answer the section review questions. Looking back at your journal question for the day how can you apply what we have learned about energy to processes in the Earth s cycle.
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