NEW
Font size
S
M
L
XL
WorksheetsEnergy Review Unit 2
Total questions: 28
Worksheet time: 21mins
Name
Class
Date
1.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
2.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
3.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
4.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
5.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
6.
The SI unit for power is...?
a)
Watts
b)
Joules
c)
Newtons
d)
Meters
7.
What units do we use to measure work?
a)
watts
b)
newtons
c)
joules
d)
meters
8.
True or False: Power can be increased by doing more work.
a)
True
b)
False
9.
In which scenario is more power being generated?
a)
Man throws ball with 20 N force 3 m in 10 seconds
b)
Man throws ball with 20 N Force 5 meters in 10 seconds
10.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N. What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
11.
Which of the following is an example of work being done?
a)
Teacher sitting in a chair
b)
Book resting on desk
c)
Keys hanging from a key chain
d)
A ball being rolled on the floor
12.
The ability to do work is called ________.
a)
power
b)
force
c)
energy
d)
momentum
13.
A person running is an example of __________ energy
a)
thermal
b)
chemical
c)
mechanical
d)
nuclear
14.
Energy associated with electric charges such as lightning and electricity.
a)
nuclear
b)
electrical
c)
thermal
d)
mechanical
15.
The energy stored in chemical bonds such as fuel and food.
a)
mechanical
b)
thermal
c)
chemical
d)
electrical
16.
Light and UV rays from the sun are examples of _____________ energy.
a)
thermal
b)
chemical
c)
nuclear
d)
electromagnetic
17.
Energy in the sun is produced as a result of nuclear ____ reactions.
a)
fusion
b)
waste
c)
sub
d)
fission
18.
How is nuclear fusion different from nuclear fission?
a)
In fusion, the product is a larger atomic nucleus.
b)
Fission produces energy but fusion does not.
c)
Fusion produces energy but fission does not.
d)
In fission, the product is a larger atomic nucleus.
19.
In nuclear fusion, smaller atoms are forced together to create larger atoms. Does this process release, absorb or maintain energy?
a)
Absorb energy
b)
Maintain energy
c)
Release energy
20.
An axe is an example of a
a)
pulley
b)
inclined plane
c)
screw
d)
wedge
21.
A seesaw is an example of a
a)
wedge
b)
lever
c)
inclined plane
d)
pulley
22.
A device that has two or more simple machines working together
a)
fulcrum
b)
pulley
c)
compound (complex) machine
d)
motor
23.
Stairs
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
24.
Lightbulb
a)
wedge
b)
pulley
c)
incline plane
d)
screw
25.
What type of simple machine is this?
a)
wheel and axle
b)
gear
c)
lever
d)
inclined plane
26.
The fixed point on the lever is called
a)
load
b)
resistance
c)
bar
d)
fulcrum
27.
The device used to raise a flag up a flag pole is an example of a
a)
wheel and axle
b)
lever
c)
inclined plane
d)
pulley
28.
Which of the following does a simple machine do?
a)
allows the users to apply less force over a longer distance
b)
reduce the amount of force needed to do work
c)
change the direction of the applied force
d)
all of the above
Reset
