WorksheetsEnergy Review
Total questions: 30
Worksheet time: 28mins
Name
Class
Date
1.
Radiation, conduction, and convection are all types of what being transferred?
a)
oxygen
b)
electrical
c)
heat
d)
mechanical
2.
Which part of the lever is the part you are trying to move?
a)
a. load
b)
b. effort
c)
c. fulcrum
3.
A blank is a machine used to hold two objects together.
a)
a. pulley
b)
b. lever
c)
c inclined plane
d)
d. screw
4.
How many simple machines are there?
a)
a. four
b)
b. five
c)
c. six
d)
d. seven
5.
A knife is an example of an
a)
a. Inclined Plane
b)
b. Wedge
c)
c. ramp
d)
d. pulley
6.
Which simple machine makes up a pencil sharpener?
a)
a. lawn tractor
b)
b. pulley
c)
c. inclined plane
d)
d. wheel and axle
7.
Which simple machine does a flagpole make use of?
a)
a. screw
b)
b. pulley
c)
c. inclined plane
d)
d. lever
8.
What are two main forms of energy?
a)
Potential and Kinetic
b)
Chemical and Electrical
c)
Nuclear and Motion
d)
Heat and Light
9.
What is energy?
a)
The ability to do work
b)
Light
c)
Heat
d)
Gas
10.
Which energy source is a result of the uneven heating of earth's surface?
a)
Propane
b)
Solar
c)
Uranium
d)
Wind
11.
Plants store energy through which process?
a)
combustion
b)
fermentation
c)
photosynthesis
d)
refinement
12.
A rock at the edge of a cliff.
a)
Potential
b)
Kinetic
13.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
14.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases
c)
The kinetic energy decreases while the potential energy increases
d)
Bothe the potential energy and kinetic energy increase
15.
When a pendulum swings, at which point is kinetic energy highest:
a)
1
b)
2
c)
3
d)
4
16.
Which example best represents kinetic energy
a)
streched rubber band
b)
glass of milk
c)
A computer
d)
A flying kite
17.
The Law of Conservation of Energy states energy cannot be gained or lost but only transformed.
a)
True
b)
False
18.
A cell phone battery dies. It gets plugged into an electrical outlet to recharge. Which of the following energy transformations occur during the charging?
a)
mechanical to chemical
b)
electrical to solar
c)
chemical to light
d)
electrical to chemical
19.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
20.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
21.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
22.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
23.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
24.
Which kind of energy change occurs when a candle is burning?
a)
Chemical to light
b)
Light to electrical
c)
Solar to heat
d)
Chemical to electrical
25.
Electrical -> Mechanical -> Sound
a)
A triple beam balance measuring an object’s mass
b)
A pencil sharpener plugged into a wall outlet
c)
A projector displaying a diagram on the screen
d)
A working flashlight used to light up a dark corner
26.
A basketball passing through the hoop.
a)
Potential
b)
Kinetic
27.
Identify all forms of energy transfer in the diagram.
a)
electrical to mechanical to thermal to sound
b)
electrical to mechanical to sound
c)
electrical to chemical to sound
d)
electrical to mechanical to sound
28.
Which example is NOT a source of chemical energy?
a)
food
b)
blender
c)
fuel
d)
betteries
29.
What is the best example of a device that converts electrical energy to light and sound
a)
a toaster
b)
a clock radio
c)
a flashlight
d)
an electric toothbrush
30.
Which of the following are NOT examples of kinetic energy?
a)
roller coaster at the top of the first hill
b)
roller coaster speeding down the first hill
c)
Ball flying through the air on its way to a catcher
d)
pistons moving up and down in an engine
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