Across
- 4. Electric devices that compress air
- 6. The study of pressure in gases
- 7. The upward force exerted on objects submerged or floating on a fluid is called the _______ force.
- 8. The force of gravity exerted on a mass
- 13. Having a thick, sticky consistency between solid and liquid; having a high viscosity
- 14. The volume of a fluid that passes a point in a pipe or tube in a certain amount of time. This is called the ______ rate
- 15. The most common device for measuring air pressure.
- 17. Incapable of being squeezed into a smaller volume
- 19. The study of pressure in liquids
- 20. A principle that states - the buoyant force acting on a submerged object equals the weight of the fluid displaced by the object. This is ______________ principle
- 21. The measure of how fast a fluid will flow, the thickness or thinness of a fluid
Down
- 1. The measurement of the amount of space occupied by a substance; measured in litres or cubic units such as cubic centimetres
- 2. An instrument designed to measure the density of a liquid
- 3. Remaining suspended in a fluid, not falling in air or sinking in water
- 5. The tendency to rise or float in a fluid
- 6. A unit for pressure; newtons per square meter
- 9. The attractive fore between masses, causes objects to be attracted to earth
- 10. A push or a pull; or anything that causes a change in the motion of objects
- 11. The total mass of an object divided by the total volume is called __________ density
- 12. The amount of matter in a substance; often measured with a balance
- 16. The condition in which the amount of force pulling down on an object immersed in a fluid equals the amount of force pushing up. This is called __________ buoyancy
- 18. The amount of mass in a certain unit volume of a substance