5th Grade Science Ch. 2 Test Review

A push or a pull that acts on an object

• force

• friction

• gravity

• air resistance

the force that results when two materials rub against each other or when their contact prevents sliding

• force

• friction

• gravity

• air resistance

A type of friction that is present when particles of air contact a surface.

• force

• friction

• gravity

• air resistance

The force of attraction between any two objects.

• force

• friction

• gravity

• air resistance

A force that requires two pieces of matter to touch.

• Contact force

• Non-contact force

A force that acts at a distance.

• Contact force

• Non-contact force

Every force has a strength or magnitude that is measured in units called __________

• meters

• gallons

• newtons

Which force is NOT a non-contact force?

• gravity

• friction

• magnetic forces

• electric forces

Magnets have 2 poles... North and South. The North and South poles are ___________________ to each other

• repeled

• attracted

Magnets have 2 poles... North and South. The North and North poles are ___________________ to each other

• repeled

• attracted