Review 2016 Science Fall Semester Exam

Transcription

1 The fall semester exam is a cumulative assessment (it will cover all topics we ve learned so far). Use your Science notebook and the Texas Fusion textbook to help you complete this review. 1. Atomic Theory: Complete the table for the scientists who contributed to the atomic theory. Hint: Use your Atomic Timeline notes or pages in the textbook to complete this section. Study Tip: Fold your review paper to the left or to the right to quiz yourself. Atomic Scientist John Dalton Summary of Theory/Contribution Drawing of Atomic Model JJ Thomson Ernest Rutherford Niels Bohr Modern Scientists 2. Basic Atomic Structure: Use markers or coloring pencils to color-code and label the image below. Study Tip: Your brain learns best in color, so quiz yourself by trying to remember the parts according to the color you gave them. Word Bank: Hint: Use your foldable on Basic Atomic Structure or pages in Electrons the Electron Cloud Energy Levels F Neutrons Nucleus Protons

2 3. Subatomic Particles: Complete the following table with information about the parts of the atom. Study Tip: Cover parts of the table to quiz yourself! Hint: Use your Introduction to Atoms notes or pages in the Subatomic Particle Charge Location Mass (AMU) Proton 1 In the nucleus 1 Negative None 4. Element Square: Using the following diagram, identify the Atomic Number and the Atomic Mass. Calculate the number of protons, neutrons, and electrons. Study Tip: Cover the element with a post-it note, write another element s information, and practice identifying/calculating. Hint: Use your Periodic Table notes or page 130 from the Atomic Number: Atomic Mass: Protons: Electrons: Neutrons: 5. Periodic Table Trends: Use the word bank to the right to label and color-code the periodic table. Hint: Use your Periodic Table notes, the trends pictures, and pages in your Word Bank/Color Coding: \ Label one column as Group Number the groups Label one row as Period Number the periods Color Metals GREEN Color Non-Metals RED Color Metalloids BLUE Draw an arrow showing which way valence electrons increase Draw an arrow showing direction of metallic properties increasing

3 6. Valence Electrons and Reactivity: Fill in the blanks for the questions below. Hint: This is taken directly from page 141 in the The energy level shown furthest from the nucleus in a Bohr model is called the. Electrons found in the of an atom s Bohr model are called. The first energy level can hold up to electrons. This level is filled first. The second energy level can hold up to electrons. Larger atoms have more energy levels, which can hold more electrons. ***Elements in the same GROUP on the Periodic Table have the same number of Valence Electrons.*** 7. Bohr Models: Draw a Bohr model for and list the number of protons, electrons, and neutrons for each. Hint: Use the flip on Basic Atomic Structure or pages in the Carbon Lithium Sodium Protons: Neutrons: Electrons: Protons: Neutrons: Electrons: Protons: Neutrons: Electrons: 8. Counting Atoms: List the elements and count the number of atoms in the following chemical formulas: Hint: Use the Counting Atoms notes or pages in the Compound Elements and # of Atoms for each Total # of Atoms # of Molecules CO 2 C 6 H 12 O 6 3H 2 SO 4

4 9. Chemical Formulas and Equations: Define the following terms. Hint: Use the Chemical Formula and Counting Atoms or the Chemical Equation notes, or use pages in the Reactants: Products: Yield Sign: Coefficient: A number placed IN FRONT of the chemical formula. This number tells you the number of. Write an example here: Subscripts: A number placed at the BOTTOM right of an element. This number tells you the number of for that element. Write an example here: 10. Chemical Changes: List the 4 evidences of a chemical change and describe/draw an example of what you might observe. Hint: Use the notes on Physical vs. Chemical Changes or pages in the Description What You Evidence Drawing Might Observe Balancing Equations: Identify if the following equations are balanced or not. Hint: Use your notes on Chemical Equations or pages in the Is this equation balanced? Circle YES or NO. Fe + O 2 è Fe 2 O 3 Is this equation balanced? Circle YES or NO. N 2 + 3H 2 è 2NH 3 Is this equation balanced? Circle YES or NO. 2K + 2H2O è 2KOH + H 2

5 Name: Review 2016 Science Fall Semester Exam Period: 12. Motion: Match the following terms and definitions. Hint: Use your flip notes on Motion or pages in the speed meters, kilometers, miles acceleration A=V T or m/s s distance S=D T time V=D T velocity hours, minutes, seconds 13. Speed, Velocity, and Acceleration: Correctly label each of the pictures/scenarios below as speed, velocity, or acceleration. Hint: Use your flip notes on Motion or pages in the Scenario 1 Scenario 2 Scenario 3 Scenario 4 Scenario 5 Scenario 6 A helicopter circles around while maintaining the same speed. A trip from Dallas to Austin takes about 3 hours going 65 mph South. A hurricane travels a distance of 20 miles in 1 hour. Monarch butterflies fly 12mph South as they migrate. A soccer ball is rolling at 6.3 m/s. A pickup truck slows from 65mph to 42 mph. 14. Motion Formula Practice: Identify the following formulas as speed, velocity, or acceleration and solve the problem using the formulas below. Hint: Use the flip notes on Motion, the formula triangle, and the speed/velocity/acceleration data table, or pages in the Speed= Distance Time Velocity=Distance Time (with direction) Acceleration=Distance/Time Time Practice One: A hurricane is a huge storm that forms over warm ocean waters. Many hurricanes enter the Gulf of Mexico and move in a northwesterly direction. A hurricane travels a distance of 20 miles Northwest in 1 hour. Determine the hurricane s velocity. Practice Two: A person hikes 25 miles in one day toward a mountain summit. What is her speed? Practice Three: A car s speed increases from 30 mi/hr to 70 mi/hr, what is it s acceleration?

6 15. Interpreting Graphs: Identify the type of motion, position, and additional information from the graphs below. Hint: Use your notes on Interpreting Graphs or pages in the 1. What type of graph is this? Circle one. Speed Velocity Acceleration 2. Between which two points does the object have the greatest speed? 3. Between which two points is the object at rest? 4. Between which two points is the object changing direction? 16. Motion Laws: Define the following terms. Hint: Use the notes on Motion Laws/Newton s Laws or pages in the force unbalance force balance force net force inertia 17. Balanced/Unbalanced Forces: Draw examples of the following. Hint: Use the notes on Motion Laws, Tug-o-War, or pages in the A. Balanced forces where the net force is Zero. B. Unbalanced forces where the net force is 150 N on the right and 90 to the left. C. Unbalanced force where the net force is 45 N on the left.

7 18. Newton s Laws: Provide examples for each of Newton s Laws. Hint: Use the notes on Motion Laws/Newton s Laws or pages in the First Law of Inertia An object in motion stays in motion; an object at rest stays at rest unless a greater force acts upon the object. More mass = More inertia Give 1 example: Second Law of Mass x Acceleration The amount of force needed to move something equals the mass times the acceleration of that object. F=(m)(a) Give 1 example: Third Law of Action/Reaction For every action (or force), there is an equal and opposite reaction (or force). Give 1 example: 19. Experimental Design: Identify the Independent Variable and the Dependent Variable in the following scenarios. Hint: Use your notes on Experimental Design or page 35 in the Hypothesis #1: If I feed my dog more food, then my dog will gain weight because he is eating more calories. The independent variable in this scenario is: The dependent variable in this scenario is: Hypothesis #2: If I run faster, then my heart rate will increase. The independent variable in this scenario is: The dependent variable in this scenario is: Hypothesis #3: If the SPF factor of sunblock is higher, then it takes longer to get sunburned, because the sunblock filters out more UV rays. The independent variable in this scenario is: The dependent variable in this scenario is: