Across
- 3. ability to do work
- 4. energy can only change forms
- 6. solid to vapor
- 8. change of appearance
- 9. made of just one kind of particle
- 14. liquid heats, bubbles, turns to vapor
- 17. liquid to vapor
- 19. force that acts on moving object
- 20. space an object occupies
- 21. solidification
- 23. quantity of matter
- 27. liquid to gas below boiling point
- 30. parts can be separated easily
- 31. different forms of matter
- 32. vapor to solid
- 33. variable shape and volume
Down
- 1. change into another substance
- 2. gravitational attraction for a mass
- 5. how fast particles move
- 7. nuclei rearrange to form new atoms
- 10. combination of two or more atoms
- 11. atoms from different elements bond
- 12. particles collide and become charged
- 13. takes up space and has mass
- 15. variable shape but fixed volume
- 16. a push or a pull
- 18. more or fewer electrons than protons
- 22. pure substance with one kind of atom
- 24. bodies attracted to the earth
- 25. fixed shape and volume
- 26. vapor to liquid
- 28. basic unit of matter
- 29. solid to liquid