Electricity & Magnetism 2

Levi is wanting to light a bulb. What does he need to get the bulb to light?

• A battery and a balloon

• A battery and a wire

• A paper clip and a wire

• A switch and a wire

Electricity is the flow of _________.

• Protons

• Neutrons

• Electrons

What kind of circuit is this?

• series
• parallel

Generators are devices that convert _____ energy into _____ energy.

• chemical; mechanical
• mechanical; electrical
• electrical; mechanical
• potential; kinetic

A circuit was made, using a battery, wire and light bulb. When the materials were connected, the light bulb did not light up. What might have been a problem with this circuit?

• He made a parallel circuit.

• There was a gap in the circuit.

• Electricity won’t flow without a switch.

Pick the correct sentence.

• This circuit will work because it is a closed circuit.
• Energy will freely flow in this circuit.
• This circuit will not work because there is no energy source.
• This circuit will not work because there is no switch.

If one of the bulbs in the picture stops working, what will happen?

• All of the bulbs will stop working.

• The other 2 bulbs will continue to work.

• The other bulbs will become brighter.

If a student places one of the objects below in a circuit, which object would NOT create a closed circuit, meaning that the bulb would not light? 

• iron nail
• metal spoon
• rubber eraser 
• aluminum foil 

Which of the following statements is true about magnets? 

• An electromagnet must be plugged into an electrical outlet to operate. 
• A bar magnet must be plugged into an electrical outlet to operate. 
• An electromagnet is a temporary magnet allowing it to release objects. 
• A bar magnet is a temporary magnet allowing it to release objects. 

When would an electromagnet stop working?

• When the electric current is interrupted

• When it gets sunlight

• When it cools below 45 degrees

• After 24 hours