Electricity and Magnetism Unit Review

Front

What energy transformation occurs in a motor?

Back

Electrical energy is transformed into mechanical energy.

Front

What charge would the top of a tall metal pole have during a lightning storm if the cloud below has a strong negative charge?

Back

The top of the pole would have a positive charge due to induction.

Front

What do iron filings reveal when sprinkled around magnets?

Back

Magnetic field lines.

Front

How can electricity be generated using a copper wire and a bar magnet?

Back

By bending the wire into a coil and moving the magnet back and forth in the coil.

Front

What is the magnetic force when two magnets attract each other?

Back

Attracting.

Front

What is electricity?

Back

Electricity is the flow of electric charge, typically through a conductor.

Front

What is a magnet?

Back

A magnet is an object that produces a magnetic field, attracting or repelling other magnetic materials.

Front

What is the difference between conductors and insulators?

Back

Conductors allow electricity to flow easily, while insulators resist the flow of electricity.

Front

What is static electricity?

Back

Static electricity is the buildup of electric charge on the surface of objects.

Front

What is an electric circuit?

Back

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