Science_Grade 2 Friction

1. What type of friction is not moving?

• Static

• Fluid

• Sliding

• Rolling

The amount of friction depends on the weight of the objects pressing together.

• True

• False

Friction is a force that acts in an ___________ direction of movement.

• Similar

• Parallel

• Opposite

• West

When most objects with smooth surfaces rub, there is less friction.

• True

• False

Which of the following is an example of friction that is helpful?

• Brakes used on a bike

• Tires from a car on the road

• Tread on the bottom of your shoes

• All are examples that are helpful

Rougher surfaces have ...

• greater friction

• less friction

• the same level of friction

What does friction produce?

• light

• heat

• sound

• gravity

Wheels on a skateboard most likely experiences-

• Rolling Friction

• Fluid Friction

• Sliding Friction

• Static Friction

Sally experiences-

• Rolling Friction

• Sliding Friction

• Fluid Friction

• Static Friction

Wheels of a shopping cart experience-

• Fluid Friction

• Static Friction

• Sliding Friction

• Rolling Friction