Grade 8 Fluids Unit Test Review

The term _____ Refers to the fluid's resistance to flow.

• Flow rate

• Compressibility

• Viscosity

• Pressure

When you're trying to find out the mass-to-volume ratio of a fluid you are looking for.

• Density

• Matter

• Mass

• Force of Attraction

Particles in a ____ are so tightly packed together they don't move.

• solid
• liquid
• gas
• plasma

Which state of matter is the most compressible?

• Gas
• Solid
• Liquid
• Plasma

The system that runs on compressed liquid is called.

• Pneumatic

• Pressurized

• Hydraulic

• Thermal

A system that runs on compressed air or gas is called ______

• Pneumatic

• Thermal

• Hydraulic

• Pressurized

Compressibility is the ability to put ____ on a substance.

• Heat

• Force

• Sound

• Power

If an object is denser than a fluid it will ____

• sink
• dissolve
• float
• evaporate

____ refers to the external force that is added to an area of a fluid.

• Pressure
• Viscosity
• Density
• Volume

Archimedes principle discussed buoyancy

• True

• False