Across
- 3. all the elements in a table
- 5. Push or Pull
- 7. forces acted on an object that does not make it move
- 8. Negatively charged
- 9. chemical substance composed of many identical molecules
- 10. force acting on in the opposite direction of where the object is moving
- 11. No charge
- 12. makes an object go forward
- 14. forces acted on an object to make it move
- 16. a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons
- 17. a basic part of a whole
- 19. Positively charged
- 20. Needs no medium
Down
- 1. makes an object go toward you
- 2. blended thoughrouly so you cannot see individual substances
- 4. Spaces of air
- 6. composition is not uniform
- 13. Has a lot of air in one area
- 15. ability to do work
- 18. Has a medium