WorksheetsSTAAR Spiral Review 6.8A-6.9C-7.7A
Total questions: 32
Worksheet time: 22mins
Name
Class
Date
1.
The kinetic energy of a moving object depends on ___.
a)
the color of an object
b)
the mass of the object
c)
the mass and speed of an object
d)
the speed of the object
2.
A motorcycle, a car and a bicycle, and a truck are moving at the same speed. Which one has the least kinetic energy?
a)
motorcycle
b)
car
c)
bicycle
d)
truck
3.
An apple hanging from the branch of a tree falls down. How does its energy change as it falls?
a)
The kinetic energy of the apple changes to potential energy.
b)
The potential energy of the apple changes to kinetic energy.
c)
The kinetic energy of the apple remains constant.
d)
The potential energy of the apple remains constant.
4.
Which of these best represents potential energy?
a)
a marble rolling on flat ground
b)
water flowing through a pipe
c)
a spring pressed between two blocks
d)
wind moving the blades of a windmill
5.
Harry used the energy stored up in his muscles to cycle up a hill. What happened to this energy when he reached the top?
a)
The energy stored in Harry's muscles was destroyed when he reached the top of the hill.
b)
The energy used by Harry returned to his muscles when he reached the top of the hill.
c)
Kinetic energy changed to potential energy when Harry reached the top of the hill
d)
Potential energy changed to kinetic energy when Harry reached the top of the hill.
6.
Harry is waiting on top of a water slide while Joshua slides down. Which of these statements is NOT TRUE?
a)
Both Harry and Joshua have kinetic and potential energy.
b)
Only Joshua has kinetic energy and potential energy.
c)
Joshua has greater kinetic energy.
d)
Harry has greater potential energy.
7.
Which of the following has the greatest potential energy?
a)
A
b)
B
c)
C
d)
D
8.
What is the best example of an object with only potential energy?
a)
A boat moving through the water
b)
A boulder resting on top of a cliff
c)
A ball being thrown across a field
d)
Water being poured out of a pitcher
9.
Which of the following examples best demonstrates kinetic energy?
a)
A brick lying on the ground
b)
A kite flying across the sky
c)
A television sitting on a table
d)
A curtain handing in the window
10.
Which of the following is NOT an example of potential energy?
a)
Camila holds a basketball
b)
Olivia sits in her chair
c)
Christopher swims a lap
d)
Santi sits on a rock
11.
The energy of motion describes -
a)
Kinetic Energy
b)
Potential Energy
12.
What form of energy is best shown in the picture below?
a)
mechanical energy
b)
thermal energy
c)
nuclear energy
d)
light energy
13.
The change of energy from one form to another is __________________.
a)
Conductor
b)
Insulator
c)
Energy Transformation
d)
Energy Conservation
14.
If an object is plugged in, it has this type of energy
a)
Chemical
b)
Electrical
c)
Sound
d)
Radiant
15.
The energy stored in an object as a result of position or height is -
a)
Mechanical energy
b)
Thermal energy
c)
Gravitational potential energy
d)
Stored mechanical/elastic energy
16.
The source of this energy is a rubber band or spring -
a)
Gravitational
b)
Electrical
c)
Stored mechanical/elastic
d)
Radiant
17.
The energy stored in the nucleus of an atom describes which type of energy -
a)
Chemical
b)
Thermal
c)
Nuclear
d)
Sound
18.
What law states that energy can neither be created nor destroyed?
a)
The law of conservation of mass
b)
The law of conservation of energy
c)
he law of conservation of matter
d)
he law of conservation of sound
19.
Which type of energy is transmitted by vibrations of air?
a)
electormagnetic
b)
sound
c)
nuclear
d)
chemical
20.
An effecient electric fan converts a large portion of the electrical energy that enters it into
a)
unwanted form of energy
b)
kinetic energy of the fan blades
c)
thermal energy in the fan's motor
d)
sound energy in the fan's motor
21.
What energy is related to the movement or flow of electrons which carry a charge?
a)
Potential Energy
b)
kinetic energy
c)
sound energy
d)
electrical energy
22.
What energy conversions take place when fireworks explode?
a)
light energy turns into thermal energy
b)
chemical energy converts into light, heat and sound energy
c)
sound energy converts to thermal and heat energy
d)
no changes take place
23.
What causes an object to have potential energy due to its position above the ground?
a)
the sun
b)
the moon
c)
gravity
d)
kinetic energy
24.
What is the unit used to measure work?
a)
Joule
b)
Watt
c)
Newton
d)
Pascal
25.
Work done = Force x _________
a)
distance
b)
acceleration
c)
velocity
d)
speed
26.
A person applies a force to a wall.
a)
Work is done because the person uses energy when applying the force
b)
Work is done because the wall heats up at the place where the force is applied
c)
No work is done
27.
These boys are pulling with the same amount of force so they don't move.
a)
The boy in blue is doing more work.
b)
The boy in red is doing more work.
c)
No work is done by either boy
d)
Impossible to tell because I need to know the mass of each boy 30 Secs
28.
A boy pushes on a parked car with a force of 200 N. The car does not move. How much work does the boy do on the car?
a)
200N
b)
200J
c)
0J
d)
0N
29.
If 150 Joules of work is needed to move a box 10 meters, what force was used?
a)
1500 N
b)
15 N
c)
1.5 N
d)
150 N
30.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
31.
Which of the following is the best example of work being done.
a)
doing homework
b)
lifting a box
c)
pushing a stationary box
d)
holding a box
32.
The unit used to measure work is the
a)
Watt
b)
Newton
c)
Joule
d)
meter
100 %
