Energy Study Guide

Energy Study Guide 1. Define energy

2. List the 6 forms of a) energy and give an example for each. b)

3. Define energy transformation?

4. What energy a) riding a bike: transformations are involved in… Riding a bike b) using a flashlight: Using a flashlight Plants growing Food digestion c) plants growing:

d) food digestion:

5. What is the Law of Conservation of Energy? 6. What are the a) three ways that thermal energy can be b) transferred? Draw a picture for each c)

7. Give 2 examples 1) of conduction. 2)

8. Give 2 examples of 1) convection. 2)

9. Give 2 examples of 1) radiation? 2)

10. What is the predictable pattern of thermal energy movement?

11. Give an example of thermal energy moving in a predictable pattern

12. List advantages and disadvantages of using fossil fuels. 13. What is the meaning of the word “renewable”?

14. List advantages and disadvantages of using renewable resources.

15. Outline a plan of 1. at least five ways to 2. conserve energy at 3. school. 4. 5.

16. What is Potential Energy? Give 2 examples of Potential energy 17. What is Kinetic Energy? Give 2 examples of Kinetic energy Unit 4 Energy Study Guide 1. Define energy The ability to do work. 2. What is the Law Energy cannot be created or destroyed. It can only be transformed of Conservation of from one form into another. Energy? 3. List the 6 forms a) Radiant – movement of light waves – the Sun of energy and give an example for each. b) Thermal – movement of molecules – the heat lamp

c) Electrical – movement of electrons – power plant

d) Mechanical – movement of parts - bicycle

e) Sound – movement of sound waves - radio

f) Chemical – produced through a chemical reaction - digestion 4. Define energy When energy is used to make things move, it is passed from one form transformation? into another 5. What energy a) riding a bike: transformations are radiant (sun) -> chemical (photosynthesis) -> chemical (our digestion) involved in… -> mechanical (legs moving) -> mechanical (bicycle parts moving Riding a bike Using a flashlight b) using a flashlight: Plants growing chemical (battery) -> electrical -> radiant (light) Food digestion c) plants growing: radiant (sun) -> chemical (photosynthesis

d) food digestion: radiant (sun) -> chemical (photosynthesis) -> chemical (digestion) -> mechanical (body moves) 6. What are the a) radiation – transferred through space three ways that thermal energy can b) convection – transfer of heat as molecules – move in currents be transferred? a) conduction – transfer of heat through direct contact 7. Give 2 examples 1) metal spoon in hot soup of conduction. 2) pot on a stove 8. Give 2 examples 1) air is warmed of convection. 2) currents of hot water in a pan of water on the stove 9. Give 2 examples 1) Sun of radiation? 2) microwave oven 10. What is the Heat rises: predictable pattern of thermal energy Hot air rises and cooler air is pulled in from other places to make a movement? current – called WIND 11. Give an example Ice melting of thermal energy moving in a Putting a sheet of hot metal into cold water predictable pattern 12 List advantages Efficient use Cannot be renewed and disadvantages of Easily distributed Cannot be replaced using fossil fuels. Simple combustion process can Pollution directly heat or generate Greenhouse effect electricity 13 What is the Sources that can be replaced and/or will not run out meaning of the word “renewable”? 14. List advantages Less or no pollution Not widely used and disadvantages of Less labor intensive Still mostly expensive using renewable Replaceable Difficult to generate the resources. quantities of electricity that are as large as those produced by traditional fossil fuel generators

15. Outline a plan of Turn off electronics when not used at least five ways to Keep thermostat on a higher temperature conserve energy at Turn off the lights when not in use school. Use a spiral for notes instead of making copies Recycle 16. What is Potential Potential energy is the energy of position or stored energy. Energy? Give 2 Examples may vary. Ball on top of a hill, pulled back rubber band, examples of Potential walking up the stairs to a slide, pulling back a yo-yo energy 17. What is Kinetic Kinetic energy is the energy of motion. Examples may vary. Ball rolling Energy? Give 2 down a hill, throwing a rubber band, letting go of an arrow, sliding examples of Kinetic down a slide, letting go of a yo-yo energy