All objects are made of charged particles.

A knife is an example of a wedge.

Materials that do not allow current to flow easily are called conductors.

In a tug-of-war game, when both sides pull equally on the rope, the forces are unbalanced.

Identify the motion as shown by the symbols below.

Stored energy that is ready to be used is called ____________________ energy.

Distance is the amount of ____________________ between two objects or places.

Which of the following is NOT a simple machine?

A switch allows you to control the flow of ____________________ .

While an object is changing position, it is in ____________________ .

Position is the ____________________ of an object.

According to the chart, which object has the greatest weight?

People use electricity to produce all of the following except …

_____ is the ability to do work.

To keep an electric current moving, a circuit cannot have any ____________________ .

What causes a shock when a person touches a doorknob?

Which simple machine can be used to move a heavy box up some stairs?

Energy of motion is called ____________________ energy.

A ____________________ is a push or a pull.

Which of the following belongs in the empty circle?

How many types of simple machines exist?

An object's ____________________ tells how far it will move in a certain amount of time.

What happens when a force changes an object's motion?

Which of the following can help measure speed?

Which of the following does NOT increase friction?

Which is an example of work being done?

What is an electrical charge?