Force, Motion and Energy STAAR Review

Front

What is the function of a switch in a circuit?

Back

A switch is used to turn on and off the flow of current in a circuit.

Front

What happens when two forces of equal strength act on an object in opposite directions?

Back

The object will not move at all.

Front

What is a circuit?

Back

A circuit is a closed loop that allows electric current to flow.

Front

What is the difference between a series circuit and a parallel circuit?

Back

In a series circuit, all components are connected in a single path, while in a parallel circuit, components are connected across multiple paths.

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What is motion?

Back

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

Front

What is force?

Back

Force is a push or pull on an object that can cause it to move or change its motion.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes into contact with another surface.

Front

How does the surface of a ramp affect how fast a car will travel?

Back

Different surfaces create different amounts of friction, which can affect the speed of the car.

Front

What is the role of mirrors in reflecting light?

Back

Mirrors reflect light, allowing it to change direction and reach a target.