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- 1. Multiple Choice
Charged particles that flow continuously through material is called
Insulator
Electric Current
Flashlight
closed circuit
- 2. Multiple Choice
A material that keeps electric charges from flowing through easily is called
Flash light
toaster
an insulator
series circuit
- 3. Multiple Choice
A device that converts chemical energy into electrical energy is call a
battery
conductor
parallel circuit
flashlight
- 4. Multiple Choice
Most circuits include a device that opens and closes the circuit. This device allows you to turn a light bulb on and off. This device is a
computer
wire
switch
flashlight
- 5. Multiple Choice
Electrical current will pass easily through metals such as copper, aluminum and gold. These metals are good
things
insulators
charged particles
conductors
- 6. Multiple Choice
Every working circuit has at least three parts: 1) a power source, 2) a conductor, usually wire and 3)
insulator
an object that uses electric current like a light bulb
series circuit
rock
- 7. Multiple Choice
If too much electric current passes through a circuit, the wires can
make batteries
cool down
conductor
overheat
- 8. Multiple Choice
Home circuits have a safety device that opens or breaks the circuit when it overheats. This device is called a
flashlight
circuit breaker
conductor
simple circuit
- 9. Multiple Choice
When too much electric current flows through an object, the object can heat up. What might this cause?
your computer will turn on
a fire
the circuit to open
carry information from the brain
- 10. Multiple Choice
All of the follow are true EXCEPT
Electric current can pass through your body.
Electricity can cause burns and injuries.
power cords are made of plastic covered in metal.
The heat from electrical current can damage the insulation on wires.
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