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WorksheetsHeat and Electricity
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
Victor felt warm after rubbing his hands.
a)
friction
b)
sunlight
c)
burning fuels
2.
Elise enjoys the hot springs in Laguna.
a)
sun's heat
b)
friction
c)
geothermal heat
3.
Sarah cook marshmallows in a bonfire.
a)
burning fuels
b)
electricity
c)
sun
4.
Mary boils water in the electric kettle.
a)
geothermal
b)
electricity
c)
friction
5.
Joan hangs her wet slippers outside to dry.
a)
electricity
b)
geothermal heat
c)
sun's heat
6.
Which of the following is NOT an example of heat produced by burning of fuels?
a)
burning of wood
b)
lava from volcano
c)
using gasoline in cars
7.
It is the flow of electricity in a circuit.
a)
circuit
b)
flow
c)
current
8.
Jill finds that all of the electric cords in her school are covered in plastic. Why is it important to cover the electric cords with plastic?
a)
Plastic is an insulator.
b)
Plastic is a conductor.
c)
Plastic is strong.
d)
Plastic will melt.
9.
A student was playing music on her new cell phone. The teacher explained that the phone was powered by a battery. The teacher then asked her to explain what was happening to the energy in her new phone. How could she best explain this to the class?
a)
Electric energy is transformed into sound energy.
b)
Light energy is transformed into sound energy.
c)
Sound energy is transformed into electric energy.
10.
What is a example of a conductor?
a)
rubber
b)
metal
c)
rock
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