Electricity, Waves, and Information Transfer

Front

What must you do to increase the amount of energy in a system?

Back

Increase the number of insulators in the system.

Front

What transparency does a tree have?

Back

Opaque.

Front

What is resistance?

Back

The force that stops electrons from moving.

Front

What is an insulator?

Back

A material that does not allow energy through.

Front

What is a switch?

Back

A device that can open or close a circuit.

Front

What is electricity?

Back

The flow of electric charge, typically carried by electrons.

Front

What is a conductor?

Back

A material that allows energy, especially electricity, to pass through.

Front

What is a circuit?

Back

A closed loop that allows electricity to flow.

Front

What is a battery?

Back

A device that stores chemical energy and converts it to electrical energy.

Front

What is a lightbulb?

Back

A device that produces light when electricity passes through it.