WorksheetsEnergy Practice 2
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Energy is the ability to
a)
do work
b)
sleep
c)
eat
2.
The Law of Conservation of Energy states:
a)
energy can be created
b)
energy can be destroyed
c)
energy cannot be created or destroyed
3.
Heat is the transfer of ___________ energy.
a)
chemical
b)
electrical
c)
thermal
4.
Radiant energy is transferred through electromagnetic waves such visible light, ultraviolet light and X-rays. Which of the following is an example of radiant energy?
a)
solar energy
b)
electrical energy
c)
chemical energy
5.
Plants make food through a process called photosynthesis. What energy transformation takes place during this process?
a)
solar to electrical
b)
solar to mechanical
c)
solar to chemical
6.
Which of the following is NOT an example of chemical energy?
a)
food
b)
battery
c)
electrical lamp
7.
Which of the following is an example of electrical to mechanical energy?
a)
radio
b)
ceiling fan
c)
lamp
8.
Which of the following is an example of electrical to light and heat energy?
a)
microwave
b)
ceiling fan
c)
washing machine
9.
A stretched rubber band is an example of ____________ potential energy.
a)
elastic
b)
gravitational
c)
kinetic
10.
A rock at the top of a hill is an example of ________________ potential energy.
a)
kinetic
b)
elastic
c)
gravitational
11.
When an energy transformation takes place (ex. electrical to light), the total amount of energy always:
a)
stays the same
b)
is destroyed
c)
is created
12.
Electrical energy requires an electric circuit. What are the key components of that circuit?
a)
device, wire, insulator
b)
source, conductor, device
c)
source, switch, fuel
13.
Hydroelectricity is when the energy from moving ____________ is converted to electrical energy.
a)
wind
b)
sun
c)
water
14.
The electrical energy in our outlets here in Conway most likely comes from:
a)
a generator at a power plant
b)
a motor at a power plant
c)
a hydroelectric dam in Minnesota
15.
What energy transformations takes place at a power plant?
a)
Chemical to heat to mechanical to electrical
b)
heat to mechanical to electrical to solar
c)
electrical to mechanical to heat to chemical
100 %
