Across
- 3. : A measure of how difficult it is to stop a moving o
- 5. : Gravitational force between an object and Earth
- 6. : Energy contained in atomic nuclei
- 9. : Energy carried by electric energy
- 10. : A push of pull
- 11. : Mass of an object divided by its volume
- 12. : Amount of matter on an object
- 14. : A substance that has no definite shape and can glow
- 16. : The ability to cause change
- 18. : Combination of all forces
- 19. : Increase in temperature at a natural body of water
Down
- 1. : Material that transfers heat easily
- 2. : Energy an object has due to its motion
- 4. : Forced exerted by a machine
- 7. : Speed of a moving object
- 8. : Energy resource that is relinquished continually
- 13. : Transfer of energy by electromagnetic waves
- 15. : Energy carried by light
- 17. : A machine that does work with only one movement
- 20. : Combination of all forces