
Science Chapter 2 - Electricity & Magnetism
Authored by Jessica Burnette
Other Sciences, Physics
3rd Grade
Used 228+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why is copper classified as a conductor?
Electric current travels easily through copper.
Copper may gain or lose electric charges.
Copper resists the flow of electrical current.
None of the other answer choices
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why are the wires in electric circuits often coated with plastic?
The plastic carries the electric current.
The plastic keeps the electric current inside the wire.
The plastic allows the wire to bend into different shapes.
The plastic acts as a switch to turn the electric current on or off.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which set of materials could be used to make an electromagnet?
A D-cell battery, a box of paper clips, and a switch
A bar magnet, a copper wire, and a light bulb
A bar magnet, a spool of electrical wire, and an electrical outlet
An iron nail, a spool of electrical wire, and a D-cell battery
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What parts make up a typical electric circuit?
A battery, nail, switch, and wire
An energy source, magnet, switch, and wire
An energy source, resistor, switch, and wire
None of the other answer choices
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An electromagnet would be most useful for which of these tasks?
Lifting a piano from the street to the fourth floor of a building
Separating a mixture of coins into pennies, nickels, dimes, and quarters
Removing the metal objects from trash at a recycling center
Removing the glass objects from trash at a recycling center
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What makes a material a good conductor?
A conductor makes it difficult for electricity to flow through it.
A conductor allows electricity to flow through it.
A conductor transforms electrical energy into other forms of energy.
None of the other answer choices
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do electric charges flow in a circuit?
From one end of the circuit to the other end
From a point in the middle of the circuit to two ends
In a loop around the circuit
All of the other answer choices
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