2. When we did an investigation with solar houses, did the houses facing the sun get warmer or the houses facing away from the sun? The houses facing towards the sun got warmer.

3. When we did our investigation with water heaters, which water heater got the warmest? The one with the white collector or the black collector? Why? The water heater with the black collector got warmer than the water heater with the white collector because black absorbs more solar energy than white. White reflects sunlight.

4. Gas, Coal, and Oil are all examples of what? Fossil Fuels

5. Which of the following is an example of a nonrenewable resource? Gas, Sun, or Water Gas

6. A pan heating up on a stove is an example of _______________

7. A space heater heating the air is an example of _______________.

8. Sun heating the Earth’s surface is an example of which type of energy transfer?

9. Laying out on the beach is an example of which type of energy transfer?

10. A sled at the top of the hill is what type of energy?

11. A sled going down a hill is an example of what type of energy?

12. A battery is an example of what type of energy?

13. Energy from the sun is ______ energy.

14. Does running water contain energy?

15. Earth’s internal heat is called ______ energy.

16. Plant matter and animal waste or other remains that can be used as renewable energy sources are called

17. A hot spring being used to heat a home is an example of what kind of energy?

18. What type of energy is the energy of motion?

19. What type of energy can we see?

20. What type of energy moves from a warmer object to a cooler object?

21. What type of energy is in the food you eat?

22. In the word “hydroelectricity” what does the prefix “hydro” relate to?

23. List 3 advantages of solar energy and 3 disadvantages. AdvantagesDisadvantages Pollution free Environmentally friendly Does not use Earth’s resources Uses a renewable resource The sun will be a source of energy for a long time. Works best when the sun is shining Expensive Isn’t convenient Easier to find people to repair traditional systems.