Across
- 4. Amount of matter in an object
- 6. rate: the rate at which fluid flows.
- 8. system: a system that use a gas, usually air, under pressure to transmit a force
- 12. Theory of Matter- theory that states that all matter is made up of particles
- 14. the property of being able to be compressed
- 16. A decrease in volume caused by force
- 17. the resistance that one surface or object encounters when moving over another.
- 18. mixture of water and solids
- 20. Any substance that flows
Down
- 1. Expansion- Increase in the volume of a substance in response to an increase in its temperature
- 2. used to describe something that cannot be compressed easily (e.g water)
- 3. measure of how much space a substance takes up
- 5. system: system that uses a liquid under pressure to transmit a force and do work
- 6. system: a group of parts, including at least one fluid, that interact with each other and function together as a whole
- 7. Anything that has mass and volume
- 9. the amount of force applied to a given area
- 10. machine that uses two pistons of different sizes to create pressure to lift a vehicle
- 11. viscosity, resistance of a fluid (liquid or gas) to a change in shape, or movement of neighbouring portions relative to one another .
- 13. the degree of compactness of a substance
- 15. a device that moves a fluid through or into something
- 19. a disc that moves inside a cylinder