WorksheetsWhat do you know about energy?
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is potential energy?
a)
How fast an object can move
b)
The force that makes an object move
c)
The unused energy stored in an unmoving object
d)
All of the above
2.
The potential energy of a car at the top of a ramp is affected by:
a)
The car's shape
b)
The height of the ramp
c)
The car's speed
d)
The length of the ramp
3.
The force of gravity____
a)
pushes objects away from Earth
b)
slows objects down
c)
causes objects to be pulled in two different directions
d)
pulls objects downward toward Earth
4.
True or False? Two objects with the same mass sitting at different heights have the same potential energy.
a)
True
b)
False
5.
What is kinetic energy?
a)
The energy of an object in motion
b)
The energy in machines
c)
The energy stored in unmoving objects
d)
None of the above
6.
True or false? You can influence an object's kinetic energy by changing its mass.
a)
True
b)
False
7.
What are two factors in kinetic energy?
a)
Height and gravity
b)
Gravity and speed
c)
Speed and mass
d)
Mass and height
8.
What is friction?
a)
An oppositional force
b)
The resistance that one surface experiences when moving over another
c)
The pull of gravity
d)
Both A and B
9.
What type of energy is created when two surfaces rub against each other?
a)
Light
b)
Heat
c)
Sound
d)
All of the above
10.
Why are the rules of energy important to racing?
a)
Because potential and kinetic energy help determine how quickly a racecar will go
b)
Because potential and kinetic energy help determine how much fuel a racecar will need to complete a race
c)
Because adjusting the factors that contribute to potential and kinetic energy can help a racecar go faster
d)
All of the above
100 %
