WorksheetsEnergy Review
Total questions: 30
Worksheet time: 17mins
Name
Class
Date
1.
In our bouncing ball lab, why did the ball not come back to its original position?
a)
energy is lost
b)
energy is created
c)
energy is destroyed
d)
energy is transferred to another type of energy!
2.
Which of the following objects has kinetic energy?
a)
a ball rolling across the floor
b)
a bicycle parked at the top of a hill
c)
leaves lying on the ground beneath a tree
d)
a sunny windowsill
3.
What two factors determine how much kinetic energy an object has?
a)
position and mass
b)
speed and position
c)
speed and mass
d)
speed and surface area
4.
___ is the energy stored in an object due to its position.
a)
Potential energy
b)
Kinetic energy
c)
Thermal energy
d)
Entropy
5.
Which of the following objects has potential energy?
a)
a glass sitting on a table
b)
a ball rolling across the floor
c)
a bicycle coasting down a hill
d)
a bowling ball knocking over a pin
6.
What two factors determine how much potential energy an object has?
a)
speed and position
b)
speed and mass
c)
mass and position
d)
speed and surface area
7.
The ___ is the SI unit of energy.
a)
watt
b)
joule
c)
ampere
d)
volt
8.
How much gravitational potential energy does a 75 kg diver have stepping off the edge of a 5 m platform?
a)
375 J
b)
15 J
c)
147 J
d)
3, 675 J
9.
How much kinetic energy does a moving object have if its mass is 100 kg and it is moving at a speed of 5 meters per second?
a)
2,500 J
b)
250 J
c)
1,250 J
d)
125,000 J
10.
Which of the following statements about an apple falling from a tree is true?
a)
Its kinetic energy decreases and its potential energy increases.
b)
Its potential energy decreases and its kinetic energy increases.
c)
Its kinetic and potential energies remain constant.
d)
Its mechanical energy increases.
11.
As energy transformations occur within a system, the total energy of the system ___.
a)
increases
b)
decreases
c)
is transferred out of the system
d)
remains constant
12.
During energy transformations, energy is never ___.
a)
released as heat
b)
used to increase an object's potential energy
c)
completely transformed
d)
created or destroyed
13.
The total amount of potential and kinetic energy in a system is called ___.
a)
thermal energy
b)
complete energy
c)
energy maximum
d)
mechanical energy
14.
Which of the following is NOT a form of energy?
a)
friction
b)
thermal
c)
electrical
d)
chemical
15.
The kinetic energy of an object increases as its ___ increases.
a)
gravitational energy
b)
potential energy
c)
specific heat
d)
velocity
16.
A bus engine transfers chemical potential energy into ___ so that the bus moves.
a)
thermal energy
b)
gravitational potential energy
c)
electrical energy
d)
kinetic energy
17.
The ability to do work is
a)
power
b)
energy
c)
thermal
d)
kinetic
18.
Energy causes temperature to rise
a)
Mechanial energy
b)
Thermal Energy
c)
Solar energy
d)
Closed system
19.
1/2 mv2
a)
KE
b)
PE
c)
Work
d)
Power
20.
MGH
a)
KE
b)
PE
c)
Work
d)
Power
21.
True or False: A roller coaster eventually slows down because some of its energy dissappears.
a)
True
b)
False
22.
The Law of Conservation of Energy states...
a)
Energy is always created and destroyed
b)
Energy is sometimes created but never destroyed
c)
Energy is never created but sometimes destroyed
d)
Energy is never created or destroyed
23.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
24.
At which point is kinetic energy greatest
a)
W
b)
X
c)
Y
d)
Z
25.
While a boulder is on the top of a hill it has what type of energy?
a)
Mechanical
b)
Kinetic
c)
Potential
d)
Reactive
26.
When a pendulum swings, at which point is kinetic energy highest:
a)
1
b)
2
c)
3
d)
4
27.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
28.
What kind of energy is stored in the food you eat?
a)
chemical
b)
nuclear
c)
electromagnetic
d)
vitamin
29.
What happens to the kinetic energy of a moving object is the mass stays the same, but the velocity increases?
a)
kinetic energy increases
b)
kinetic energy decreases
c)
kinetic energy stays the same
30.
Energy is ____________.
a)
the amount of particles in an object
b)
the ability to do work or cause change
c)
the time is takes an object to travel a distance
d)
the mass of an object as a certain height
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