Font size
WorksheetsEnergy review
Total questions: 109
Worksheet time: 1hrs 20mins
What is the energy transformation that occurs in an electric pencil sharpener?
mechanical energy to electrical energy
electrical energy to mechanical energy
radiant energy to sound energy
chemical energy to mechanical energy
Which of the following energy transformations occurs when a lamp is plugged in?
The roller coaster cart has the most kinetic energy at position-
W
X
Y
Z
Which items would have this energy transformation: chemical energy -> thermal and light energy?
tanning bed
candle burning
wind turbine turning
solar calculator
Which items would have this energy transformation: mechanical energy -> sound energy?
turning on a flashlight
nuclear power plant
wind turbine turning
playing a violin
Which items would have this energy transformation: mechanical energy -> electrical energy?
turning on a flashlight
nuclear power plant
wind turbine turning
tanning bed
What kind of energy is represented in the food?
Thermal
Chemical
Sound
Kinetic
As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT
Which of the following energy transfers occurs when eating food
mechanical to chemical
Gravitational potential energy depends on gravitational field strength and the ________ and ________ of the object.
A swing has the greatest potential energy when.
it is at its lowest point
it is at its highest point
Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?
chemical to electrical to light energy
radiant to electrical to sound
chemical to radiant to mechanical to electrical
electric to radiant to chemical
All moving things have this type of energy
gravitational potential
elastic potential
nuclear potential
kinetic
An object raised up to a height has this type of energy
elastic potential
gravitational potential
kinetic
chemical potential
An object that is stretched or compressed has this type of energy
kinetic
gravitational potential
chemical potential
elastic potential
What is Energy?
The ability to do anything
The ability to cause change or do work
The investigation of nature
A fact of life
What is an example of kinetic energy?
An apple in a tree
A bouncy ball on the table
A car driving on the highway
A stretched out rubber band
Energy cannot be created or destroyed.
True
False
What transformation occurs in a toaster?
Electrical to light
Electrical to thermal
Thermal to mechanical
Solar to electrical
Energy is:
The ability to do work
The amount of power
Movement
Causing things to happen
Kinetic energy is
Stored energy
Force acting on objects
Associated with movement
Measured in speed
Potential energy is:
A type of kinetic energy
A fuel
Associated with movement
Stored energy
Mass is measured in:
J
lbs
kg
N
What type of energy is in this picture?
Kinetic energy
Rubber energy
Elastic energy
Stored energy
Nuclear fission
Nuclear fusion
Fossil fuels
Renewable
When the temperature of matter decreases the atoms...
If you double the height that you raise a mass, then this will __________ the gravitational potential energy
triple
double
halve
quadruple
Efficiency is equal to the useful energy output over
the total energy supplied
the energy dissipated
the mass of the object
the height of the object
Nuclear fission involves a large unstable nuclei
fusing with a smaller nuclei
splitting into 2 smaller daughter nuclei
fusing with a large nuclei
splitting into multiple smaller nuclei
A control rod in a nuclear reactor absorbs
neutrinos
protons
neutrons
electrons
Nuclear fusion involves
a large nucleus splitting into 2 daughter nuclei
2 nuclei splitting
2 small nuclei joining together
2 large nuclei joining together
Hydroelectricity begins with
elastic potential energy
gravitational potential energy
wind energy
chemical potential energy
If a dam wall is built to be three times higher, then the gravitational potential energy
quadruples
doubles
triples
decreases by 3
An exothermic chemical reaction
releases energy into the surroundings
absorbs energy from the surroundings
An endothermic chemical reaction
absorbs energy from the surroundings
releases energy into the surroundings
When magnesium reacts with hydrochloric acid the products are
magnesium oxide and hydrogen gas
magnesium chloride and hydrogen gas
chlorine gas and water
magnesium nitrate
The test for hydrogen gas being produced in a chemical reaction is
a colour change
the pop test
limewater turning cloudy
a lit splint going out
A qualitative result is
recording what you observe using your senses
recording measurements
A quantitative result
describes how something appears
has numbers and units
An explanation of an observation
discussion
conclusion
inference
hypothesis
Your prediction of what you think will happen in an experiment
conclusion
discussion
inference
hypothesis
The purpose of an experiment
the hypothesis
the aim
the results
the conclusion
The variable that you measure in an experiment
controlled
dependent
independent
The variable that you deliberately change in an experiment
independent
dependent
controlled
To make your experiment more valid you should
use the correct measurement tools
take an average of the repeated trials
control all the variables that could impact the results
repeat the experiment many times
An outlier is a result which is due to
a mistake
a random error
a systematic error
Errors are unavoidable
false
true
Mistakes are unavoidable
true
false
A type of renewable energy that comes from plants and animals
(a)
Wind, solar, hydroelectricity, tidal, geothermal, and biomass are all (a) forms of energy
Type of renewable energy that uses heat from within the Earth
(a)
Sound energy can be classified as
(a)
To produce sound, you need a
(a)
visible light is part of the (a) spectrum
The bending of light as it travels from one medium into another
(a)
A typical alkaline battery has a voltage of
(a)
If an alkaline battery has 2 cells, its total voltage is
(a)
Series circuits have one (a) for electrons to flow
The flow of electrons in a circuit
(a)
This supplies the push needed to make electrons flow
(a)
This type of circuit has multiple pathways for electrons to flow
(a)
40 kJ is equal to
(a)
If you increase the voltage, and keep the resistance constant, then the current
(a)
This impedes or slows the flow of electrons
(a)
Current is measured in
(a)
All electromagnetic waves can travel in a
(a)
This electromagnetic wave has the lowest frequency and longest wavelength
(a)
This electromagnetic wave has the highest frequency and shortest wavelength
(a)
Non renewable type of energy that includes coal, oil and natural gas
(a)
A megajoule is 1 (a) joules
A kilojoule is 1 (a) joules
Sound energy needs a (a) to travel through
Heat transfer through solids
(a)
Heat transfer through liquids
(a)
heat transfer through the vacuum of space
(a)
Heat energy always flows from
(a)
Temperature is the average (a) of atoms
The unit for resistance
(a)
When light is split into the spectrum of colours, this colour has the longest wavelength
(a)
The first letters of the colours in visible light from longest to shortest wavelength
(a)
Heat is transferred through solids by
(a)
Heat is transferred through fluids via
(a)
Liquids and gases are called
(a)
Heat is transferred from the Sun to Earth via
(a)
We feel this part of the electromagnetic spectrum as heat
(a)
Our eyes detect this part of the electromagnetic spectrum
(a)
This part of the electromagnetic spectrum has the highest frequency
(a)
All electromagnetic waves are (a) waves
Sound waves are (a) waves
Sound waves need a (a) in order to propagate
This part of the visible spectrum has the longest wavelength
(a)
The mnemonic to recall the colours in the visible spectrum
(a)
The reflection of a sound wave
(a)
The bending of light as it passes from one medium into another with a different density
(a)
