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Energy Review for Test

Total questions: 30

Worksheet time: 16mins

Name
Class
Date
1.
Which best describes how light behaves through each material?
a)
Material 1: The light ray is scattered in all directions. Material 2: The light ray is refracted
b)
Material 1: The light ray is absorbed. Material 2: The light ray is reflected.
c)
Material 1: The light ray is transmitted. Material 2: The light ray is refracted.
d)
Material 1: The light ray is refracted. Material 2: The light ray is reflected.
2.
The fish appears to be closer to the surface than it really is. What causes this difference?
a)
Light is reflected
b)
Light is refracted
c)
Light is blocked
d)
Light is focused
3.
Which examples use mechanical energy to perform their functions?
a)
Examples 1,2, and 4
b)
Examples 1,3, and 4
c)
Examples 1 and 2 only
d)
Examples 3 and 4 only
4.

Which energy transformation happens when the blades are spinning as shown in the picture ?

a)
Electrical to mechanical
b)
Chemical to electrical
c)
Mechanical to electrical
d)
Chemical to mechanical
5.

Look at the image . Based on the image at what point would the marble have the MOST KINETIC energy?

a)
W
b)
X
c)
Y
d)
Z
6.

Look at the image. Based on the image at what point would the marble have the MOST POTENTIAL energy?

a)
W
b)
X
c)
Y
d)
Z
7.

Look at the picture showing 2 planes. The airplanes are identical and flying at the same speed. Airplane W is flying 50 meters higher than airplane X. Which statement best describes the energy of the 2 airplanes?

a)
Airplane W has a greater kinetic energy than Airplane X
b)
The 2 airplanes have the. same potential energy but different kinetic energies
c)
Airplane X has more potential energy than Airplane W
d)
The 2 airplanes have the same kinetic energy but different potential energy due to the difference in height
8.

The image shows a student performing an experiment testing various types of potential and kinetic energy. At which point does the ball experience the greatest potential energy?

a)
Position 1
b)
Position 2
c)
Position 3
d)
Position 4
9.

Out of the 4 images showing various examples of potential energy which of the following represents chemical energy?

a)
The trampoline and the bow and the arrow
b)
The bow and arrow and the batteries
c)
The child on the swing
d)
The batteries in a flashlight
10.
The diagram below shows a student heating a pot of water over a fire. The arrows represent the transfer of thermal energy. Letter A represents heat transfer through the metal pot. Letter B represents heat transfer through currents in the water. Letter C represents heat that is felt in the air surrounding the pot. Which table correctly identifies the type of heat transfer at A, B and C
a)

Option 1

b)

Option 2

c)

Option 3

d)

Option 4

11.

Look at the picture to see the beaker a student is using to perform an experiment. As the burner heats up the beaker, how does it transfer thermal energy?

a)
In circular movements through the liquid water by radiation
b)
To the surrounding space that is free of atoms by conduction
c)
To and up through the solid glass of the beaker by conduction
d)
In circular movements through the solid glass of the beaker by convection
12.

The picture shows a hand holding a cup of hot chocolate. Which of the following best explains how heat is transferred from the cup of hot chocolate to the hand?

a)
It is transferred by evaporation, because the cup of hot chocolate directly transfers heat to the atoms in the hand
b)
It is transferred by radiation, because radiation requires a liquid and a solid to transfer thermal energy.
c)
It is transferred by conduction, because conduction occurs between 2 substances that are touching
d)
It is transferred by convection, because atoms move back and forth in a circular pattern between the cup and the hand
13.
Given that the area between the Sun and Earth is a vacuum of empty space how is thermal energy transferred to the Earth?
a)
Convection, because convection allows heat to travel large distances without losing energy
b)
Radiation, because radiation allows heat to travel large distances of empty space
c)
Conduction, because heat flows faster through an empty space
d)
Radiation, because heat can only travel through liquid from 1 atom to another
14.

This is a diagram showing the process of photosynthesis. During photosynthesis plants convert, store and use energy. Which option lists the type of energy involved in photosynthesis and the order in which it generally occurs?

a)
Thermal energy --> chemical energy
b)
Radiant energy --> thermal energy
c)
Chemical energy --> thermal energy
d)
Radiant energy --> chemical energy
15.
Which of the following best describes the energy transformations taking place in a flashlight?
a)
Radiant energy in the batteries is converted into chemical energy, which is then converted into electrical energy by the light bulb
b)
Electrical energy is converted into radiant energy in the batteries, which is then converted into chemical energy by the light bulb
c)
Electrical energy in the batteries is converted into chemical energy, which is then converted into radiant energy by the light bulb
d)
Chemical energy in the batteries is converted into electrical energy, which is then converted into radiant energy by the light bulb
16.

The photograph shows a laser cutting a sheet of metal as the laser moves from one end of the metal to the other. Four groups of students each made a table of examples of the different types of energy involved in the process. Which of the tables is correct?

a)

Option 1

b)

Option 2

c)

Option 3

d)

Option 4

17.

Eight activities that use energy are listed in the box. Each of these activities requires the use of which kind of energy?

a)
Thermal
b)
Mechanical
c)
Electrical
d)
Sound
18.
Out of the following 4 objects which one uses ONLY mechanical energy to perform its main function?
a)
A: hammer
b)
B: fan
c)
C: thermometer
d)
D: iron
19.

A student made a list of activities involving energy. Which activities on the list are examples of mechanical energy?

a)
Activities 1, 4 and 6
b)
Activities 2,4 and 5
c)
Activities 1 and 2
d)
Activities 3, 5 and 6
20.
Many people ride a bicycle for fun and exercise. Some people ride a bicycle to work because it saves money and benefits the environment by reducing the use of fossil fuels. Which of these is not an example of the bicycle using mechanical energy?
a)
The pedals, gears, and chain help turn the wheels
b)
The wheels turn when the bicycle moves
c)
The front wheel guides the bicycle as it moves
d)
The reflector allows the bicycle to be seen at night
21.

The picture shows a bicyclist increasing speed while riding down a hill during a race. Which statement accurately describes the potential and kinetic energy of the bicyclist?

a)
Kinetic energy increases. Potential energy decreases.
b)
Kinetic energy increases. Potential energy remains constant.
c)
Kinetic energy remains constant. Potential energy decreases.
d)
Both kinetic and potential energy remain constant.
22.
Which of these best demonstrates the reflection of light?
a)
Looking through the glass of a large window
b)
Looking at an image formed on a silver spoon
c)
Looking at a light bulb that is glowing
d)
Looking at a star on a clear night
23.

This is a diagram showing how a student used a flashlight to shine a beam of light on 3 different objects. Which option correctly describes what happens to the light beam as it interacts with each object?

a)

A

b)

B

c)

C

d)

D

24.
As heat leaves the glowing flames of a campfire it travels through empty space to the air through what type of thermal transfer?
a)
Radiation
b)
Conduction
c)
Convection
d)
Evaporation
25.
If a metal spoon is used to stir hot chocolate, the spoon's temperature would rise because thermal energy from the....
a)
Hot chocolate would enter and travel up the spoon through convection
b)
Hot chocolate would enter and travel up the spoon through conduction
c)
Spoon would be released into the hot chocolate, making the spoon feel warmer to the touch
d)
Spoon would transfer only to the spoon's handle making the spoon feel warmer to the touch only in that spot
26.

Which type of useful energy is it when a hamster spins its wheel as it runs?

a)

Luminous

b)

Electrical

c)

Thermal

d)

Mechanical

27.

What is the STARTING energy for a solar cell panel?

a)

Electrical energy

b)

Solar energy

c)

Wind energy

d)

Biomass

28.

What kind of energy is being shown in the picture?

a)

Light

b)

Gravitational

c)

Potential

d)

Kinetic

29.
When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?
a)
electrical → light → mechanical
b)
chemical → mechanical → electrical
c)
mechanical → chemical → light
d)
mechanical → electrical → light
30.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place

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