Force and Motion 3rd grade

Front

What is friction?

Back

Friction is a force that works against the movement of two objects, making it harder for them to slide past each other.

Front

What pulls things down to the ground?

Back

Gravity pulls things down to the ground.

Front

What is inertia?

Back

Inertia is the tendency for an object to keep moving or stay still unless acted upon by a force.

Front

What happens to an object with balanced forces acting on it?

Back

It would not move.

Front

What makes it hard to ride a bike on grass?

Back

Friction makes it hard to ride a bike on grass.

Front

What is a force?

Back

A force is a push or pull that can change the motion of an object.

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward each other, especially towards the Earth.

Front

What is an example of a force?

Back

An example of a force is pushing a door open.

Front

What does it mean to accelerate?

Back

To accelerate means to increase the speed of an object.