Across
- 3. The force acting perpendicular to a certain surface area
- 4. Any substance that flows
- 8. The process of changing from a gas to a liquid
- 11. The state of matter that keeps in a specific shape and size
- 13. Theory of matter; all matter is made of particles
- 14. The state of matter that has a specific size/volume but not shape
- 15. The measure of how fast a fluid will flow ("thickness"/"thinness"
Down
- 1. Material that occupies space and has mass
- 2. The action of one surface or object rubbing against another
- 4. The process of changing from a liquid to a solid
- 5. How fast a fluid runs
- 6. The process of changing from a solid to a gas without first changing to a liquid
- 7. The process of changing from a liquid to a gas
- 9. The state of matter that has no specific size or shape and can be compressed
- 10. The study of pressure in liquids
- 12. The amount of mass in a certain unit volume of a substance
