Across
- 2. anything that has mass and takes up space
- 3. a change in matter that DOES create a new substance
- 5. particles with no charge
- 6. particles with a negative charge
- 8. made up of two or more substances
- 12. small irregular rocks; don't have enough gravity to become round
- 13. phase of the moon where everything is visible
- 14. the third planet in the solar system
- 15. a system used worldwide for organizing elements into categories
- 19. a measure of mass of a material in a given volume
Down
- 1. an inward force or pull among molecules in a liquid that brings the molecules on the surface closer together
- 3. small icey objects that have elliptical orbits around the sun
- 4. compositions are defined, can either be an element, molecule, or compound
- 7. this is made up of only one type of atom
- 9. a measure of the force of gravity on an object
- 10. the amount of space that matter occupies
- 11. a change in matter that does not create a new substance
- 16. bonds between metals and nonmetals
- 17. particles with a positive charge
- 18. the smallest particle of an element that still has the element's properties