Across
- 1. particals move freely
- 6. its a hard substance
- 9. the ability of a substance to combine with another substance
- 11. a change in matter
- 13. the smallest type of mass in the world
- 17. the total mass before and after a chemical reaction
- 18. some nfl players use it wrongly sometimes
- 19. what happens when water and oxygen
- 20. this determines the strenght of the attraction
Down
- 2. the ability of a material to dissolve
- 3. happens to a marshmallow after it burns
- 4. articles of matter
- 5. Pokemon cards use it
- 7. it makes things wet
- 8. the amount of matter an object
- 10. it happens to trees in the fall
- 12. happens to slat in water
- 14. a change is size,shape,and form
- 15. the mass per unit
- 16. things that move back and forth in all directions