Electromagnetic Force Posttest

Front

What is the correct order of energy transfers from a hydroelectric dam to your home?

Back

Kinetic energy -> Electric energy -> Light energy.

Front

What happens to a paperclip when it is picked up by a donut magnet?

Back

It becomes a temporary magnet.

Front

Which surface has the MOST friction?

Back

Carpet.

Front

Which surface has the LEAST friction?

Back

Ice.

Front

What is a good experimental design?

Back

It changes only one thing at a time.

Front

Define kinetic energy.

Back

Kinetic energy is the energy of an object in motion.

Front

Define potential energy.

Back

Potential energy is the stored energy of an object due to its position or state.

Front

What is friction?

Back

Friction is the resistance that one surface or object encounters when moving over another.

Front

What is a temporary magnet?

Back

A temporary magnet is a material that behaves like a magnet only in the presence of a magnetic field.

Front

What is the difference between a temporary magnet and a permanent magnet?

Back

A temporary magnet loses its magnetism when the external magnetic field is removed, while a permanent magnet retains its magnetism.