PhD Science Grade 4 Module 2 Concept 3b Flashcard

Front

What is a generator?

Back

A device that transforms motion energy to electrical energy.

Front

What is an important part of any generator?

Back

The magnet.

Front

How do windmills generate electricity?

Back

They turn motion energy from wind into electric energy using a generator.

Front

How are energy and speed related?

Back

The fast something goes, the more energy it has.

Front

What do we need to do to the generator to create electrical energy?

Back

Spin the magnet really fast.

Front

What type of energy do windmills convert?

Back

They convert motion energy from wind into electrical energy.

Front

What is motion energy?

Back

Energy that an object has due to its movement.

Front

What is electrical energy?

Back

Energy that is caused by the movement of electrons.

Front

Can a generator work without a magnet?

Back

No, a magnet is an essential part of a generator.

Front

What happens when you spin a magnet in a generator?

Back

It creates electrical energy.