Across
- 2. amount of space an object takes up; measure in three-dimensional space
- 4. the energy that an object has because it is moving
- 8. change of a substance from one physical state to another
- 9. something that can be observed about a substance such as color, odor, or boiling point
- 11. measure of the amount of matter in an object
- 14. the relative size of things
- 18. pull between two molecules that is always the same for a substance
- 20. to provide evidence that goes against a claim
Down
- 1. measure of how hot or cold something is
- 3. change of matter from one form to another form
- 5. the process in which a solid changes directly into a gas
- 6. the ratio of the mass of a substance to the volume of the substance
- 7. different form or state of the same substance
- 9. characteristic of a substance that does not involve a chemical change
- 10. phase of matter that starts as a gas and becomes ionized
- 12. the physical forms of matter; include solid, liquid, gas, and plasma
- 13. group of atoms joined together in a particular way
- 15. anything that has mass and volume
- 16. phase of matter that does not have a definite volume or shape
- 17. phase of matter in which the volume and shape are fixed
- 19. phase of matter that has a definite volume but not a definite shape