2.  Team name ___________________ Answer 1. _______________________________ 32 1 2. _______________________________ 3 2 1 3. _______________________________ 3 2 1

3. 1. In all energy transformations energy is 2. When you skateboard down a hill, what happens to the total sum of energy? 3. Where is there more potential energy, sitting in a chair on the first floor or sitting in a chair on the roof?

4. 1. Transformed from one form to another 2. It is transformed back and forth from potential and kinetic 3. Sitting on a chair on the roof

5. 1.Which 4 types of energy are at work when a flashlight shines? 2. Striking a match shows what energy transformation? 3. A Ford F1-50 engine converts 75 percent of its energy into useful work output. What happens to the remaining energy? ◦ A. It is destroyed ◦ B. It is stored in the engine for later use. ◦ C. It is lost along with the mass of the fuel. ◦ D. It is converted to thermal energyor another form of non-useful energy

6. 1. Chemical  Electrical  Radiant/electromagnetic  thermal 2. Mechanical  radiant  thermal 3. D.

7.  At which point on At which point on the roller coaster will the car have the greatest amount of kinetic energy?

8.  At which point on At which point on the roller coaster will the car have the greatest amount of potential energy?

9.  A young boy throws a softball into the air. At which point, does the baseball have the same amount of kinetic energy and potential energy?

10. 1. Point X 2. Point W 3. Point A

11. 1.Eating a power bar and riding your ride shows which energy transformation? 2. An electric heater warming the air in a room shows which energytransformation? 3. Thermal energy always moves in this direction (from this to this)?

12. 1. Chemical energy to mechanical energy 2. Electrical energy to radiant energy 3. From warmer to cooler areas

13. 1. A kite flying over a hot sandy beach is an example of what heat transfer? 2. Conduction is heat transfer through what state of matter? 3. Convection travels through what two states of matter?

14.  1. Convection  2. Solids  3. Gases and Liquids

15.  1. How does thermal energy travel through space?  2. The two magnets to the right are going to do what?  3. To make an electromagnet you need a battery and what 2 things?

16. 1. Radiation 2. Repel 3. Wire and nail

17. 1. A parallel circuit has how many paths? 2. In a string of series circuit Christmas lights what happens if1 bulb is broken? 3. A wire carrying an electric current exerts what on a bar magnet?

18.  1. 2 or more paths  2. They all go out  3. An electric force