Worksheets4S Ch. 8 Electricity and Magnetism
Total questions: 20
Worksheet time: 40mins
Name
Class
Date
1.
1. Which is conductor?
a)
a. a material through which an electric charge can move easily
b)
b. a material through which an electric charge moves slowly
c)
c. an electric charge in motion
2.
2. Which is electric current?
a)
a. a material through which an electric charge can move easily
b)
b. a material through which an electric charge moves slowly
c)
c. an electric charge in motion
3.
3. Which is insulator?
a)
a. a material through which an electric charge can move easily
b)
b. a material through which an electric charge moves slowly
c)
c. an electric charge in motion
4.
4. What is the difference between a parallel circuit and a series circuit?
a)
a. parallel circuit has one path
b)
b. parallel circuit has no paths
c)
c. parallel circuit has two or more paths
5.
5. What does the plastic over the metal wires in a circuit do?
a)
a. insulator that keeps electric current flowing
b)
b. conductor that keeps electric current flowing
c)
c. it doesn't do anything
6.
6. Which is filament?
a)
a. a thin-coiled resistor that transforms electrical energy into light energy and heat
b)
b. a force that acts when two surfaces rub together
c)
c. an object that uses the energy in a circuit
7.
7. Which is friction?
a)
a. a thin-coiled resistor that transforms electrical energy into light energy and heat
b)
b. a force that acts when two surfaces rub together
c)
c. an object that uses the energy in a circuit
8.
8. Which is resistor?
a)
a. a thin-coiled resistor that transforms electrical energy into light energy and heat
b)
b. a force that acts when two surfaces rub together
c)
c. an object that uses the energy in a circuit
9.
9. A violin transforms electrical energy into sound energy.
a)
True
b)
False
10.
10. Charges exit a circuit with less energy than they had when they entered the circuit.
a)
True
b)
False
11.
11. Which is magnetic field?
a)
a. space around a magnet in which magnetic forces operate
b)
b. a force that acts on moving electric charges and magnetic materials
c)
c. the ends of a magnet
12.
12. Which is magnetic poles?
a)
a. space around a magnet in which magnetic forces operate
b)
b. a force that acts on moving electric charges and magnetic materials
c)
c. the ends of a magnet
13.
13. Which is magnetism?
a)
a. space around a magnet in which magnetic forces operate
b)
b. a force that acts on moving electric charges and magnetic materials
c)
c. the ends of a magnet
14.
14. All magnetic fields have the same shape.
a)
True
b)
False
15.
15. Like poles of a magnet attract each other while unlike poles repel each other.
a)
True
b)
False
16.
16. Which is electromagnet?
a)
a. a device that uses electromagnets to change electrical energy into mechanical energy
b)
b. a machine that produces electrical energy by turning coils of wire around powerful magnets
c)
c. a magnet that only works when electricity is provided
17.
17. Which is motor?
a)
a. a device that uses electromagnets to change electrical energy into mechanical energy
b)
b. a machine that produces electrical energy by turning coils of wire around powerful magnets
c)
c. a magnet that only works when electricity is provided
18.
18. Which is generator?
a)
a. a device that uses electromagnets to change electrical energy into mechanical energy
b)
b. a machine that produces electrical energy by turning coils of wire around powerful magnets
c)
c. a magnet that only works when electricity is provided
19.
19. Generators transform solar energy into electrical energy.
a)
True
b)
False
20.
20. A magnet sliding back and forth through coiled wire 100 times per minute produces more electricity than an identical magnet sliding back and forth 50 times per minute.
a)
True
b)
False
100 %
