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- 1. Multiple Choice
F-The battery does what in a circuit
Controls the flow of electricity
Becomes a temporary magnet
Has potential energy to run the circuit
Provides the pathway for the electricity
- 2. Multiple Choice
A-The switch does what in the circuit
Has potential energy to run the circuit
Becomes a temporary magnet
Controls the flow of electricity
Provides the pathway to carry the electricity
- 3. Multiple Choice
E-The rivet does what in the circuit?
Provides the pathway to carry the electricity
Has potential energy to run the circuit
Controls the flow of electricity
Becomes a temporary magnet
- 4. Multiple Choice
C-The wire does what in the circuit?
Has potential energy to run the circuit
Becomes a temporary magnet
Controls the flow of electricity
Provides the pathway to carry the electricity
- 5. Multiple Choice
Which one is evidence that electricity is flowing?
A component gets hot
The switch is closed
A component gets cold
- 6. Multiple Choice
Which one is evidence that electricity is flowing?
A motor in a circuit is not moving
A light bulb shines
The battery is connected
- 7. Multiple Choice
Which circuit will light the bulb?
A
B
C
D
- 8. Multiple Choice
What is the energy source in the circuits shown?
The bulb filament
The bulb casing
The wire
The D-cell (battery)
- 9. Multiple Choice
Why did the compass needle change position when the circuit was closed?
Electricity also runs through the compass.
A magnetic field surrounds a wire
The compass-needle change indicates the potential energy
The magnetic poles of the D-cell reversed
- 10. Multiple Choice
A battery is...
a source of stored chemical energy
a source of stored electrical energy
- 11. Multiple Choice
A circuit is....
a pathway for the flow of magnetism
a pathway for the flow of electricity
- 12. Multiple Choice
A component is...
one item in a circuit
all the items in a circuit
- 13. Multiple Choice
Insulation is ....
a material that can reduce energy transfers
a material that can increase energy transfers
- 14. Multiple Choice
An electromagnet is...
Metal that becomes a permanent magnet with electricity
Metal that becomes a temporary magnet with electricity
- 15. Multiple Choice
What goes through the core (rivet)
Electricity
Magnetism
- 16. Multiple Choice
What is required to complete an electric circuit?
Battery, wire
Battery, wires, rivet, switch all going one way
Battery, wires, rivet, switch going in a loop
Wire, light source
- 17. Multiple Choice
How does an electromagnet work?
Electric circuit creates a magnetic field around the core
Electricity flows through the core to make it magnetized
- 18. Multiple Choice
The best modifications to an electromagnet are..
Add batteries, less winds
Add batteries, more winds
Add batteries, less winds, & thicker wire
Add batteries, more winds, & thicker wire
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