Electricity

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. It can be turned on and off.

Front

Why are electromagnets used in cranes?

Back

Electromagnets are used in cranes because they can be turned on and off, allowing for better control when lifting and dropping heavy metal objects.

Front

What materials are needed to create a simple electric circuit?

Back

A simple electric circuit requires a battery, wire, and a bulb.

Front

What is static electricity?

Back

Static electricity is the build-up of electric charge on the surface of objects, often causing them to attract or repel each other.

Front

Give an example of static electricity.

Back

An example of static electricity is clothes getting stuck together in a dryer.

Front

What is a conductor?

Back

A conductor is a material that allows electric current to flow through it easily, such as metals like copper or aluminum.

Front

What object can be used as a conductor in a circuit?

Back

A penny can be used as a conductor to complete an electrical circuit.

Front

What happens when a magnet is moved farther away from an object?

Back

The attraction between the magnet and the object decreases as the distance increases.

Front

What is the effect of replacing glass with paper in a magnet experiment?

Back

Replacing glass with paper will likely still allow the magnet to attract the object, as paper is not a barrier to magnetic fields.

Front

What is a simple electric circuit?

Back

A simple electric circuit is a closed loop that allows electric current to flow, typically consisting of a power source, wires, and a load (like a bulb).