Front

What is a PUSH or PULL of an object?

Back

Force is a push or pull that can cause an object to move, stop, or change direction.

Front

Why is it harder for the boy in Image B to get down the hill?

Back

Friction is the force that opposes motion between two surfaces in contact, making it harder to move down the hill.

Front

What pulls a ball back to earth?

Back

Gravity is the force that attracts objects towards the center of the Earth.

Front

_______ is a force that acts between two objects which are touching. This force slows any movement between the two objects.

Back

Friction is the force that acts between two touching objects, slowing their movement.

Front

A boy rides a skateboard down a hill. Eventually, the skateboard stops. What is most responsible for causing the skateboard to stop?

Back

Friction acting on the skateboard is the main reason it stops.

Front

What is the definition of motion?

Back

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

Front

What is the difference between speed and velocity?

Back

Speed is how fast an object is moving, while velocity includes both speed and direction.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What is the role of gravity in motion?

Back

Gravity pulls objects towards each other, affecting their motion and speed.

Front

What is an example of a force?

Back

An example of a force is pushing a door open.