Across
- 4. Energy is not created or destroyed, but is transformed from one form to another.
- 6. Energy used to do something we want it to do
- 10. energy being used to do something that can be observed or measured
- 11. a tool used to measure the amount of energy in food
- 15. the flow of energy along a conductor
- 17. the movement of the atoms that make up an object
- 19. (Useful Energy / Input Energy) x 100
- 21. the form of potential energy found in objects which are stretched or squashed
- 23. stored energy
- 24. The amount of supplied energy
Down
- 1. a simple flow diagram that traces the path of energy transformations back to its original source
- 2. the energy produced by the sun
- 3. energy stored in the bonds of the atoms that hold a substance together
- 5. When energy changes from one form to another
- 7. the ability to do work
- 8. potential energy from the height of an object above the Earth’s surface
- 9. The total amount of transformed energy (same as input)
- 12. the energy of motion
- 13. units used to measure energy
- 14. 1000 Joules
- 16. the portion of energy that takes an unusable form during transformation
- 18. When heat energy moves from one object to another
- 20. the unit used for measuring energy in food
- 22. energy associated with pressure waves travelling through the air
