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Year 8 Energy & SIS Revision

Total questions: 126

Worksheet time: 2hrs 36mins

Name
Class
Date
1.

Energy is the ability to do work or cause changes. (a)  

Choose from the below words
True
False
2.

Energy is the ability to do work or cause changes. (a)  

Choose from the below words
True
False
3.

A car at the top of the drop on a roller coaster has ________ energy.

a)

potential

b)

kinetic

c)

chemical

d)

sound

4.

A car rolling down the drop of a roller coaster has ________ energy.

a)

potential

b)

kinetic

c)

chemical

d)

sound

5.

Which of following are types of kinetic energy? Check all that apply.

a)

sound energy

b)

light energy

c)

thermal energy

d)

mechanical energy

e)

potential

6.

We receive ________ and heat energy from the Sun.

a)

sound

b)

mechanical

c)

light

d)

kinetic

7.

Vibrations produce _______ energy.

a)

chemical

b)

sound

c)

potential

d)

light

8.

Food has which two types of energy stored inside of it?

a)

kinetic

b)

potential

c)

light

d)

chemical

e)

sound

9.

Which of the following is an example of kinetic energy?

a)

A rock at the top of a hill.

b)

Water falling down a waterfall.

c)

A pencil sitting on a desk.

d)

A backpack on the ground.

10.

Objects with a higher temperature have particles that are vibrating _______.

a)

faster

b)

slower

11.

_________ energy is the energy of motion.

a)

Potential

b)

Kinetic

c)

Thermal

d)

Sound

12.

_______ energy is stored energy.

a)

Potential

b)

Kinetic

c)

Light

d)

Sound

13.

Potential and kinetic energy combined are the ________ energy an object has.

a)

light

b)

chemical

c)

mechanical

d)

sound

14.

_____ is the flow of thermal energy from one substance to another.

a)

Heat

b)

Light

c)

Sound

d)

Movement

15.

______ energy is energy from the Sun that we can see.

a)

Sound

b)

Thermal

c)

Chemical

d)

Light

16.

Sounds travels faster through _________.

a)

solids

b)

liquids

c)

gases

17.

I use electrical energy and convert it to thermal,what am I?

a)

Fortnite

b)

PC

c)

TV

d)

toaster

18.
Stored energy is called ______ energy.
a)
Kinetic
b)
Potential
c)
Pacific
d)
Safe
19.
Electromagnetic energy (such as visible waves, X-rays, gamma rays and radio waves) is called _______ energy.
a)
Heat
b)
Light
c)
Sound
d)
Electrical
20.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
21.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
22.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
23.
Which 2 letters have the most kinetic energy
a)
W & Y
b)
X & Z
24.
What kind of energy is in a person running?
a)
Potential
b)
Kinetic
25.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
26.
When you stretch a rubber band, you are storing __________ energy. 
a)
kinetic 
b)
potential
c)
none of the above
d)
all of the above 
27.
which point has the most potential energy
a)
G
b)
f
c)
b
d)
a
28.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases 
c)
The kinetic energy decreases while the potential energy increases 
d)
Bothe the potential energy and kinetic energy increase 
29.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
30.
The law of conservation of energy states that when one form of energy is converted into another,
a)
energy is destroyed in the process
b)
no energy is destroyed in the process
c)
energy is created in the process
d)
some amount of energy cannot be accounted for
31.
In energy transformations, "wasted energy" usually takes what form?
a)
heat
b)
chemical energy
c)
light
d)
sound waves
32.

Efficiency is calculated by useful energy output divided by total energy input, expressed as a percentage

a)

False

b)

True

33.

When is energy lost?

a)

During transformations only

b)

During transformations and transfers

c)

During transfers only

d)

During GPS outages

34.
No machine in existence has 100% efficiency due to ____________________.
a)
magic
b)
friction
c)
smoke
d)
input
35.

A car transfers 100 J of chemical energy in order to gain 50 J of kinetic energy. The efficiency of the car is

a)

20%

b)

0.5%

c)

50%

d)

200%

36.

What is the useful work output of a machine that consumes 2,800 Joules and an efficiency of 40%?

a)

7000 J

b)

2760 J

c)

1120 J

37.

Heat energy is also called ______ energy.

a)

chemical

b)

electrical

c)

mechanical

d)

thermal

38.
The process of energy changing from one form into another
a)
efficency
b)
law of conservation of energy
c)
energy transformation
d)
thermal energy
39.
A material that reduces or prevents the transfer of energy.
a)
conductor
b)
conduction
c)
radiation
d)
insulator
40.
A material that transfers energy easily.
a)
insulator
b)
heat
c)
conduction
d)
conductor
41.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
42.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
43.

A line graph is used when which of the following is true?

a)

An independent variable is continuous

b)

An independent variable is not continuous

c)

A dependent variable is not continuous

d)

No variable is continuous

44.

The X axis is labeled with

a)

the control variable

b)

the independent variable

c)

the sample variable

d)

dependent variable

45.
The Y axis is labeled with the
a)
control variable
b)
independent variable
c)
sample variable
d)
dependent variable
46.
What choice would you not identify by using a line graph?
a)
trends
b)
conclusions
c)
make predictions
d)
recognize anomalous data
47.
A graph is a ___________ of your data
a)
description
b)
variable
c)
answer
d)
picture
48.
Which is correct?
a)
the independent variable is distance
b)
the dependent variable is distance
49.
What type of graph shows change over time?
a)
Circle Graph
b)
Bar Graph
c)
Trend Graph
d)
Line Graph
50.
Bar graphs are used to best represent what type of data?
a)
Change over Time
b)
Trends over Time
c)
Categories of Information(Comparisons)
d)
Percentages
51.
Which letter represents the intervals/increments on a graph?
a)
letter A
b)
letter B
c)
letter C
d)
letter E
52.
Which letter represents the x-axis?
a)
letter A
b)
letter B
c)
letter C
d)
letter E
53.
What type of correlation does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
54.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters. 
a)
150 pages
b)
170 pages
c)
190 pages
d)
210 pages
55.

Best lines of fit have to go through the point of origin

a)

True

b)

False

56.

Extending a line of fit is called...

a)

Extension

b)

Extrapolation

c)

Enlargement

d)

Engagement

57.

In a fair test you should...

a)

only change one thing

b)

change everything

c)

change nothing

58.

A prediction that can be tested by an experiment

a)

data

b)

theory

c)

hypothesis

d)

fact

59.

The summary at the end of an experiment that explains the results.

a)

conclusion

b)

procedures

c)

materials

d)

hypothesis

60.

Which of these three dataset has the strongest correlation?

a)

The data in graph B has the strongest correlation because the data points are not too closely clustered around the imagined line of best fit.

b)

None of these graphs has a correlation

c)

The data in graph A has the strongest correlation because the data points are very closely and linear clustered around the imagined line of best fit.

d)

The data in graph A has the strongest correlation because the data points are clustered in a cloud surrounding the imagined line of best fit.

61.
What is a line of best fit used for?
a)
To make predictions
b)
To make the graph look pretty
c)
To connect the points
d)
To make it look like you know what you are doing
62.

Energy is ​ (a)   and within everything. It is the ability to do ​ (b)   and make things ​ (c)  

Choose from the below words
everywhere
work
happen
63.

Kinetic energy and potential energy are two types of ​ (a)   ​

Choose from the below words
energy
physics
science
chemistry
egg drop
64.

______ energy is that associated with movement

a)

kinetic

b)

potential

65.

______ energy is stored energy

a)

Kinetic

b)

Potential

c)

Light

d)

Heat

66.

Define energy...

a)

Energy explains how things get hot or cold.

b)

energy is how people move around the world.

c)

energy is an experience.

d)

Energy is the ability to do work and make things happen.

67.

A penguin pushes a penguin into the water, does this count as work?

a)

Yes

b)

No

c)

Poor penguin

68.

___________ energy is energy due to rotational motion

a)

potential

b)

kinetic

c)

rotational

d)

thermal

69.

Energy that is stored due to interactions between objects in a system is called ___________ energy

a)

stored

b)

kinetic

c)

rotational

d)

potential

70.

The stored energy due to gravity is called ___________________ energy.

a)

gravitational potential (GPE)

b)

elastic potential (EPE)

c)

kinetic

d)

potential

71.

The stored energy due to an object's change in shape is called __________________

a)

Gravitational potential energy

b)

kinetic energy

c)

reference energy

d)

elastic potential energy

72.

______ energy is the sum of the kinetic energy and potential energy in a system.

a)

potential

b)

kinetic

c)

gravitational potential

d)

thermal

73.
Which type of potential energy causes the arrow to shoot from the bow?
a)
kinetic
b)
elastic
c)
chemical
d)
gravitational
74.

What is potential energy?

a)

The energy an object has due to its position or condition.

b)

The energy an object has due to its motion.

c)

The energy an object has due to its chemical composition.

d)

The energy as object has due to its atomic structure.

75.

Elastic Potential Energy is _____________________________________.

a)

the ability of a material to return to its original shape after it has been stretched or deformed.

b)

potential energy that is stored due to the deformation of an elastic object, such as a stretched spring.

c)

energy stored in the bonds of chemical compounds. Chemical energy is released during chemical reactions.

d)

the energy contained within a system that is responsible for its temperature.

e)

the flow of thermal energy.

76.

What is energy?

a)

Something that takes up space.

b)

The ability to make something move or change.

c)

Anything that has mass.

77.

What is kinetic energy?

a)

The energy an object has due to its motion.

b)

The energy an object has due its chemical composition.

c)

The energy an object has due to its atomic structure.

78.

Energy stored because of gravity is called:

a)

Gravitational Potential Energy

b)

Kinetic Energy

c)

Mechanical Advantage

d)

Chemical Energy

79.
The Law of Conservation of Energy states:
a)
Energy can created or destroyed but not transformed 
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
80.

____________ energy is energy that is stored in the bonds of compounds like food and fuel.

a)

Radiant

b)

Electrical

c)

Thermal

d)

Chemical

81.

_________ energy is the energy due to the motion of particles that make up an object, also referred to as heat energy.

a)

Mechanical (KE)

b)

Radiant

c)

Thermal

d)

Sound

82.

________ energy is the energy of moving electrons, also known as electricity.

a)

Nuclear

b)

Radiant

c)

Electrical

d)

Chemical

83.

______ energy is the energy of electromagnetic waves, also referred to as solar or light energy.

a)

Chemical

b)

Nuclear

c)

Thermal

d)

Radiant

84.

_________ energy is the energy an object possesses because of its motion.

a)

Mechanical (KE)

b)

Mechanical (PE)

c)

Sound

d)

Electrical

85.

_________ energy is the energy an object possesses because of its position.

a)

Mechanical kinetic

b)

Mechanical potential

c)

Electrical

d)

Thermal

86.

_________ energy is energy stored in the nucleus of an atom, also referred to as atomic energy.

a)

Electrical

b)

Radiant

c)

Nuclear

d)

Chemical

87.

_________ energy is the movement of energy through mechanical waves and is caused by vibrations.

a)

Sound

b)

Chemical

c)

Electrical

d)

Thermal

88.

Which of these would be a good testable question about ants?

a)

Who wants to have a lot of ants in their home?

b)

Do more ants like sugar-water, or pure water?

c)

Why do ants drink so much water?

d)

What year did ants move to Texas?

89.

What two words should be in your hypothesis?

a)

I think

b)

My guess

c)

If... then

d)

No idea

90.

Which one is a good hypothesis?

a)

If we add more soap to the mixture, then the mixture will bubble over.

b)

We'll add more soap to the mixture, then it will bubble over.

c)

If we add more soap to the mixture, the mixture will like bubbles.

91.

Write a good hypothesis for mixing together these paints.

4 lines
92.

Which piece of equipment should you use to measure out liquids?

a)
b)
c)
d)
93.

You should report all _____ to your teacher!

a)

accidents

b)

goggles

c)

equipment

94.

Use ___ to protect your eyes in the science lab!

a)

goggles

b)

fire

c)

drink

d)

apron

95.

What is a device used to measure the mass of an object or substance?

a)
b)
c)
d)
96.

Plan an investigation about what ants like to drink.

4 lines
97.
What is the data obtained during an experiment called?
a)
Procedure
b)
Questions
c)
Conclusion
d)
Results
98.
After we make an observation and ask a question, what do we want to do before getting started?
a)
Procedure
b)
Conclusion
c)
Materials
d)
Research
99.
Why do we want to test one variable at a time?
a)
Because it is hard to setup a data table with more
b)
To know what is causing the changes
c)
It is what has always been done
d)
No one really knows
100.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
101.
The independent variable is the ONE thing you _____.
a)
change
b)
keep the same
c)
experiment with
d)
investigate
102.
What is a hypothesis?
a)
A hypothesis is the right answer to an experiment.
b)
A hypothesis is the wrong answer to an experiment.
c)
A hypothesis is an educated guess.
103.
The measurable factor in an experiment is known as the: 
a)
Control
b)
Independent Variable
c)
Constant
d)
Dependent Variable
104.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
105.
What does a stopwatch measure?
a)
how much something weighs
b)
how tall something is
c)
how much time something takes
d)
how hot it is
106.
What are the two types of observations?  
a)
Qualitative and Quantitative 
b)
Personal and Educational
c)
A prediction about something. 
d)
Examples of something. 
107.
Name the tool pictured
a)
Graduated cylinder
b)
Test tube
c)
Beaker
d)
Measuring cup
108.
A student conducted an experiment about the movement of a marble through four different liquid substances. Looking at the figure designed by the student, what is an error in his experiment?
a)
The amount of liquid substances used is not consistent.
b)
The type of liquid substances are not labeled correctly.
c)
The type of marble used is not consistent.
d)
The marbles are not dropped from the same distance.
109.
Adam is conducting a science experiment on the effect of different environments on plant growth.  He put one plant in a closet and the other plant in a window at his house.  He measured the growth of each plant weekly for six weeks.  He then created a graph after he reviewed his data.  What is the dependent variable in Adam's experiment?
a)
Total Growth of Plant.
b)
Plant Environment
c)
The Effect of Different Environments
d)
Measurement Over Six Weeks
110.
What axis is the independent variable used on? 
a)

Vertical Axis

b)
quadrant 1 
c)
quadrant 2
d)

Horizontal Axis

111.
A scientific method should always be written in:
a)
bold
b)
numbered steps
c)
alphabetical order
d)
first person
112.
What is the data obtained during an experiment called?
a)
Procedure
b)
Questions
c)
Conclusion
d)
Results
113.
After we make an observation and ask a question, what do we want to do before getting started?
a)
Procedure
b)
Conclusion
c)
Materials
d)
Research
114.
Why do we want to test one variable at a time?
a)
Because it is hard to setup a data table with more
b)
To know what is causing the changes
c)
It is what has always been done
d)
No one really knows
115.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
116.
The independent variable is the ONE thing you _____.
a)
change
b)
keep the same
c)
experiment with
d)
investigate
117.
What is a hypothesis?
a)
A hypothesis is the right answer to an experiment.
b)
A hypothesis is the wrong answer to an experiment.
c)
A hypothesis is an educated guess.
118.
The measurable factor in an experiment is known as the: 
a)
Control
b)
Independent Variable
c)
Constant
d)
Dependent Variable
119.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
120.
What does a stopwatch measure?
a)
how much something weighs
b)
how tall something is
c)
how much time something takes
d)
how hot it is
121.
What are the two types of observations?  
a)
Qualitative and Quantitative 
b)
Personal and Educational
c)
A prediction about something. 
d)
Examples of something. 
122.
Name the tool pictured
a)
Graduated cylinder
b)
Test tube
c)
Beaker
d)
Measuring cup
123.
A student conducted an experiment about the movement of a marble through four different liquid substances. Looking at the figure designed by the student, what is an error in his experiment?
a)
The amount of liquid substances used is not consistent.
b)
The type of liquid substances are not labeled correctly.
c)
The type of marble used is not consistent.
d)
The marbles are not dropped from the same distance.
124.
Adam is conducting a science experiment on the effect of different environments on plant growth.  He put one plant in a closet and the other plant in a window at his house.  He measured the growth of each plant weekly for six weeks.  He then created a graph after he reviewed his data.  What is the dependent variable in Adam's experiment?
a)
Total Growth of Plant.
b)
Plant Environment
c)
The Effect of Different Environments
d)
Measurement Over Six Weeks
125.
What axis is the independent variable used on? 
a)

Vertical Axis

b)
quadrant 1 
c)
quadrant 2
d)

Horizontal Axis

126.
A scientific method should always be written in:
a)
bold
b)
numbered steps
c)
alphabetical order
d)
first person

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