Across
- 1. Particles are tightly packed
- 3. A table of 188 elements
- 6. The amount of gravity on an object
- 7. the Basic building block of all matter
- 8. A pure substance
- 11. Heat is removed from gas changing to liquid
- 12. The amount of space an object takes up
- 15. Can be observed using your senses
- 17. A measure of how hot or cold something is
- 18. The SI unit for mass
- 19. A group of atoms bonded together
Down
- 1. A single type of matter that is pure and made of one type of atom
- 2. The amount of force exerted per unit area of a surface
- 4. A characteristic of how a pure substance can change into other substances
- 5. Amount of mass per unit of volume
- 9. The study of the properties of matter and how it changes
- 10. The amount of matter in an object
- 13. Anything that has mass and takes up space
- 14. Particles move freely and rarely touch
- 16. Particles are further apart and flow together