Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it rubs against another surface.

Front

What happens to a ruler when it is pushed and then left alone?

Back

The ruler will move more slowly and stay more flat than when first pushed.

Front

Which materials create a lot of friction?

Back

Materials like carpet and sandpaper create a lot of friction.

Front

What is the effect of blowing on a rolling ball?

Back

Blowing on the ball will slow it down.

Front

How can two students balance a seesaw?

Back

They can each sit at the same distance from the center of the seesaw.

Front

What materials do NOT create a lot of friction?

Back

A glass bowl and soapy water do not create a lot of friction.

Front

What is the role of mass in motion?

Back

Mass affects how much force is needed to move an object and how it responds to forces.

Front

What is a prediction in science?

Back

A prediction is a statement about what you think will happen based on observations or prior knowledge.

Front

How does surface texture affect friction?

Back

Rough surfaces create more friction than smooth surfaces.

Front

What is the relationship between force and motion?

Back

A force applied to an object can cause it to start moving, stop moving, or change direction.