1. Unit 2 Lessons 1-4 Test
Study Guide Answers

2. Study Guide Answers
3. The heavier object will have more energy. 4. If an object slows down the amount of energy decreases. 5. Scientist say that energy is conserved because energy can not be created or destroyed. 6. A ball that is sitting on a high shelf 7. Water splashes when a rock is thrown in because the rock transfers energy to the water causing it to move.

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8. The ball gains energy when it is thrown down the lane, but it loses energy when it hits the pins. The ball will transfer energy to the pins causing them to gain energy. During all of this energy is being conserved. 9. When two objects collide they will transfer energy to one another. 10. A collision between two objects that weigh the same. 11. They will transfer their energy to one another causing the slower ball to move faster and the faster ball to move slower.

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12. All sound starts with a vibration. 13. It warms your hand because the hot chocolate transfers energy to the cup, which then transfers energy to your hand. 14. You need solar cells.