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7P2 Review

Total questions: 37

Worksheet time: 32mins

Name
Class
Date
1.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
2.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
3.
What kind of energy is in a stretched rubber band?
a)
Potential
b)
Kinetic
4.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
5.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
6.
At which point is kinetic energy greatest? 
a)
W
b)
X
c)
Y
d)
Z
7.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
8.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
9.
__________ energy is the energy of motion.
a)
Light
b)
Sound
c)
Kinetic
d)
Chemical
10.
Energy is the ability to do _____________ or cause change.
a)
work
b)
rest
c)
experiments
d)
science
11.
What form of energy is being used when a person pushes heavy boxes across the floor? 
a)
Electrical energy
b)
Mechanical energy
c)
Heat energy
d)
Sound energy
12.
A girl turned the light off and went to bed.  She remembered she had accidentally left her glass of ice water on the counter.  When she got up the next morning, the ice had melted. What form of energy caused the ice to melt?
a)
Sound energy
b)
Light energy
c)
Thermal energy
d)
Mechanical energy
13.
A student created an electrical circuit, shown.

Which of the following statements is true about the circuit?

 
a)
The electrical circuit is working.
b)
The electrical circuit is open.
c)
The electrical circuit is complete.
d)
The electrical circuit is closed.
14.
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
15.

What kind of energy is shown?

a)

Thermal/heat energy

b)

potential energy

c)

Nuclear energy

d)

Mechanical energy

16.
What form of energy is stored in the bonds between molecules of matter?
a)
chemical energy
b)
heat energy
c)
kinetic energy
d)
mechanical energy
17.
At what position does the rock have the greatest kinetic energy?
a)
A
b)
B
c)
D
d)
E
18.
Look at the diagram. Which point does the ball have the maximum potential energy?
a)
A
b)
B
c)
C
d)
D
19.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
20.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
21.
Which statement is true?
a)
The light bulb will light up because the  circuit is complete.
b)
The light bulb will light up because the  circuit is broken.
c)
The light bulb will not light up because the  circuit is complete.
d)
The light bulb will not light up because the  circuit is broken.
22.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
23.
What is a circuit?
a)
A constant flow of electricity 
b)
A path that a current can flow along
24.
If the electric circuit is OPEN, the switch is ____.
a)
ON
b)
OFF
25.
We need a _____ circuit for the light bulb to BE ON. 
a)
closed
b)
open
26.
A flat sloping surface that connects lower and higher elevations. It makes raising objects easier.  
a)
wedge
b)
screw
c)
lever
d)
inclined plane 
27.
An inclined plane wrapped around a rod forms this simple machine 
a)
lever
b)
pulley
c)
screw
d)
wedge 
28.
A simple machine that consists a rigid bar that pivot about a fixed point
a)
lever
b)
pulley
c)
wheel and axle
d)
fulcrum 
29.
A device that has two or more simple machines working together 
a)
fulcrum 
b)
pulley
c)
compound (complex) machine 
d)
motor 
30.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
31.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
32.
The fixed point on the lever is called 
a)
load
b)
resistance
c)
bar
d)
fulcrum
33.
Identify this simple machine
a)
Lever
b)
Wheel & Axle
c)
Inclined Plane
d)
Screw
34.
Two examples of a pulley...
a)
knife & axe blade
b)
lightbulb & screw
c)
flagpole hoist & window blinds
d)
catapult & teeter totter
35.
What is an example of a wheel and axle?
a)
ax
b)
light bulb
c)
skateboard ramp
d)
bus tire
36.
What is a screw?
a)
means attracted to a magnet
b)
an inclined plane that is wrapped around an axle
c)
stiff bar that rests on a fulcrum
d)
made of 2 inclined planes that are back to back
37.
What is a lever?
a)
made of 2 inclined planes that are back to back
b)
means attracted to a magnet
c)
stiff bar that rests on a fulcrum
d)
made of 2 inclined planes that are back to back