Across
- 5. made of wheel and post with a rope or cable
- 7. heat transfer by touch
- 9. force that resists the motion of an object or in a system
- 10. movement of gases
- 12. sloping surface that makes objects easier to move
- 17. energy energy from the sun
- 20. energy cannot be destroyed or createsd, only changed
- 23. the vibration of movement of atoms and molecules
- 24. the movement of a substance from one place to another
- 25. adapted an inclined plane
- 26. rigid object or bar that moves around a fixed point
- 27. energy created by wind
- 29. used to raise objects
- 30. the ability to do work or change matter
Down
- 1. electromagnet energy that travels in waves like light
- 2. travels through electro magnet
- 3. movement of energy through substances in waves
- 4. movement of electrons
- 6. depends on the mass and the height of an object
- 8. refers to living or recently living organisms
- 11. a clean energy source that produces little waste
- 13. tiny particles that release large amounts of energy
- 14. plants use the energy of following water
- 15. energy of place or position
- 16. a set of connected things that work together
- 18. simple machine
- 19. force that resists the motion of an object or system through the air
- 21. fuel that is created from the remaining or plants or animals
- 22. energy stored in the bonds of atoms and molecules
- 28. energy stored in the nucleus of an atom