Magnets and Electricity

What two objects would conduct electricity?

• wax candle and paper envelope
• metal coin and steel nail
• rubber eraser and glass marble

Which statement describes the change in flow of energy when a song is playing on the radio?

• electrical energy is changed to sound energy
• electrical energy is changed to light energy
• sound energy is changed to light energy

Magnetism can be induced in....

• glass or iron
• steel or iron
• plastic or glass
• steel or plastic

Attract is...

• when magnets pull together
• when magnet push apart

Which statement describes what happens as the distance between two magnets increases (greater)?

• The force between the magnets gets stronger.
• The force between the magnets gets weaker.

A source of electric energy is a D-cell.

• True
• False

Aimee and Caitlin want to make a complete circuit.  To be successful, electricity must travel in a circle from one end of the battery to 

• the same end of the battery.
• the other side of the battery.

 A(n) _____ _____ is a complete circuit through which electricity will flow.

• will not flow
• open circuit
• closed circuit
• D-cell

Plastic, rubber, and glass act similarly toward the flow of electricity.  This is because they are all ________.

• insulators
• electrical source
• conductors

What type of circuit only has one pathway for current to flow?

• parallel
• square
• series
• insulator