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WorksheetsCh 8 Review
Total questions: 45
Worksheet time: 23mins
Name
Class
Date
1.
1. What is the ability to do work or cause change?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Energy forms
2.
An electric oven does the same amount of work to cook food as a microwave. Which has more power?
a)
oven because it transfers the same amount of energy in more time
b)
microwave because it transfers the same amount of energy in less time
3.
What is the law that states that energy cannot be created or destroyed only transform form one energy to another?
a)
Law of Conservation of Energy
b)
Law of Conservation of Mass
c)
Law of Conversation of Matter
d)
Newton's Laws
4.
What is energy due to an object's motion?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Chemical energy
5.
What is the stored energy of an object that results from the object's position or shape?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Sound energy
6.
What do we call a change from one form of energy to another?
a)
Energy change
b)
Energy transformation
c)
Energy conversion
d)
Energy creation
7.
The sun uses this form of energy to make light and thermal energy (heat)
a)
electrical
b)
nuclear
c)
sound
d)
chemical
8.
What form of nuclear energy results from splitting the nucleus of an atom?
a)
Fusion
b)
Fiction
c)
Fission
d)
Atomic
9.
What form of nuclear energy is formed when the nuclei of atoms join together?
a)
Fusion
b)
Fiction
c)
Fission
d)
Atomic
10.
Nuclear power plants use the process of nuclear fission to produce what form of energy?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Mechanical
11.
Electrical Energy is:
a)
energy caused by the vibrations of an object
b)
energy caused by changes in the nucleus of an atom
c)
energy of moving electrons
d)
energy caused by heat
12.
Three horses with the same mass are running in a race, which horse has the most kinetic energy?
a)
Horse running at 40mph
b)
Horse running at 41mph
c)
Horse running at 42mph
13.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
14.
Heat energy is also called
a)
electrical energy
b)
chemical energy
c)
light energy
d)
thermal energy
15.
Which of the following is the best example of kinetic energy?
a)
A stretched back rubber band
b)
A battery
c)
A rabbit hopping around in a field
d)
A projector suspended 10 feet in the air
16.
Which of the following objects has the most kinetic energy?
a)
A 20 kg toddler running at 30 m/s
b)
A 50 kg toddler running at 30 m/s
c)
A 90 kg toddler running at 30 m/s
d)
A 100 kg toddler running at 30 m/s
17.
At which point is potential energy the greatest?
a)
W
b)
X
c)
Y
d)
Z
18.
While a boulder is on the top of a hill it has what type of energy?
a)
Mechanical
b)
Kinetic
c)
Potential
d)
Reactive
19.
What is an example of kinetic energy?
a)
a bear in hibernation
b)
an apple tree
c)
a rock at the top of a hill
d)
a moving car
20.
What is the unit used to measure energy and work?
a)
Joule
b)
Watt
c)
Newton
d)
Pascal
21.
Green plants take light energy from the sun and transform it into ______ energy
a)
thermal
b)
kinetic
c)
radiant
d)
chemical
22.
Which coconut has the greatest gravitational potential energy?
a)
Position 1
b)
Position 2
c)
Position 3
d)
None have potential energy
23.
What is happening at B?
a)
Lowest kinetic energy, highest potential energy
b)
Highest kinetic energy, lowest potential energy
24.
When a rubber band is stretched, it is demonstrating which type of potential energy?
a)
kinetic
b)
elastic potential
c)
gravitational potential
d)
mechanical
25.
What is happening between points
A and B ?
A and B ?
a)
Kinetic energy transformed into potential energy
b)
Potential energy transformed into kinetic energy
26.
All of the following are types of energy from the sun except -
a)
Radiant
b)
Electromagnetic
c)
Solar
d)
Sound
27.
Lightning during a thunderstorm is an example of what form of energy?
a)
Radiant
b)
Electromagnetic
c)
Magnetic
d)
Electrical
28.
Which energy transformation takes place when roller skating?
a)
thermal to chemical
b)
chemical to mechanical to thermal
c)
nuclear to mechanical to chemical
d)
electromagnetic to thermal
29.
Gamma rays, x-rays, microwaves, radio waves, rainbows, and visible light all have what in common?
a)
they are examples of chemical energy
b)
they are examples of electrical energy
c)
they are examples of electromagnetic energy
d)
they are examples of mechanical energy
30.
Which energy transformation is taking place in a flashlight?
a)
chemical > nuclear > mechanical
b)
chemical > electrical > electromagnetic (light)
c)
electromagnetic > mechanical > thermal > chemical
d)
nuclear > thermal > electromagnetic > chemical
31.
What are two factors that affect an object's kinetic energy?
a)
power and speed
b)
velocity and acceleration
c)
mass and speed
d)
density and volume
32.
Energy stored in the nucleus of an atom is called
a)
nuclear energy
b)
eating energy
c)
kinetic energy
d)
chemical energy
33.
There is energy stored inside the molecules of food we eat. This energy is classified as
a)
chemical energy
b)
electrical energy
c)
electromagnetic energy
d)
nuclear energy
34.
Visible light is an example of
a)
chemical energy
b)
electrical energy
c)
electromagnetic energy
d)
nuclear energy
35.
At _______________, the particles in an object have NO kinetic energy.
a)
freezing point
b)
absolute zero
c)
celsius
d)
thermal energy
36.
Jane burned herself while curling her hair. What method of heat transfer caused the burn?
a)
radiation
b)
convection
c)
conduction
d)
specific heat
37.
You feel the warm glow of a bonfire. What method of heat transfer is this?
a)
radiation
b)
convection
c)
conduction
d)
specific heat
38.
An entire lake is heated by water from a hot spring at the bottom of the lake. What method of heat transfer is this?
a)
conduction
b)
radiation
c)
convection
d)
conservation
39.
On a Celsius scale, water freezes at
a)
32 degrees
b)
0 degrees
c)
212 degrees
d)
100 degrees
40.
On a Celsius scale, water boils at
a)
0 degrees
b)
32 degrees
c)
100 degrees
d)
212 degrees
41.
Friction can be transformed to _________ energy.
a)
thermal energy
b)
electrical energy
c)
nuclear energy
d)
electromagnetic energy
42.
Which of the following is an example of heat energy flowing by CONDUCTION?
a)
A bowl of soup is heated in a microwave oven
b)
Water in a pot reaches uniform temperature as the water circulates
c)
A person sits near a campfire to warm cold hands
d)
A chef burns his tongue after tasting a bite of hot food
43.
When an ice cube is placed into a glass of water,
a)
energy is transferred from the water to the ice cube
b)
energy is transferred from the ice cube to the water
44.
If a metal spoon is placed in a pan filled with boiling water, what will happen to the spoon?
a)
The spoon will heat up because metal conducts heat
b)
The spoon will heat up because metal insulates heat
c)
The spoon will heat up because metal conducts electricity
d)
The spoon will stay the same temperature because metal is an insulator
45.
Which type of heat transfer would take place in water and air?
a)
potential
b)
convection
c)
mechanical
d)
conduction
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