Grade 8 - Characteristics of Fluids

Which is not a part of the particle theory?

• All matter is made of particles

• Particles have empty spaces between them

• Particles have forces of attraction

• Particles do not have a definite shape

Fluids are...

• solids

• liquids

• gases

Which of the following is not a key characteristic of fluids

• ability to flow

• do not have a definite shape

• have a definite volume

What is an example of a solid that is considered a fluid due to its ability to flow?

• glaciers

• salt

• sugar

• sand

A smooth pattern of flow

• turbulent flow

• laminar flow

an irregular, mixing flow pattern

• turbulent flow

• laminar flow

What types of shapes reduce turbulence to create more laminar flow?

• eddy

• streamlined

• organic

• jagged

Which is not a factor that affects flow rate?

• the type of fluid that is flowing

• the force pushing on the fluid

• the amount of fluid in the container

• the size of the pipe or opening the fluid flows through

• the type of surface

a measure of how easily a fluid's particles are able to slide past one another

• viscosity

• cohesion

• adhesion

• surface tension

the strong attraction among the particles that form the surface of a liquid

• viscosity

• cohesion

• adhesion

• surface tension