Font size
WorksheetsScience Unit 1 Review
Total questions: 51
Worksheet time: 37mins
A ________ stores chemical energy and can convert that energy into electrical energy.
magnet
cooling tower
book
battery
A ______ is a material that releases energy as heat when it burns. Common ones include coal, natural gas, petroleum, and wood.
battery
combustion
primary
fuel
The energy stored in batteries and fuel is _______.
sound energy
electrical energy
chemical energy
light energy
A system is a group of parts that work together
True
False
Which are types of energy (select all that apply)
Heat
Light
Sound
Movement
What happened the night of the Ergstown blackout?
They lost heat energy
They lost sound energy
One of the parts in the system broke causing the system not to function
Someone turned off the electricity
A function is what something can do
False
True
What are solar panels?
Devices that are used to turn the moon into electricity or heat
Devices that are used to turn the suns rays into sound energy
Devices that are used to turn the suns rays into electricity or heat
Devices that are used to turn the suns rays into butterflies
_________ is the ability to make things move or change.
Energy
Transport
Motion
Telepathy
Nick created an electrical circuit where there is a battery and three light bulbs that are all connected. What would happen to the circuit if one of the lights burn out?
the flow will continue but the one burnt out light bulb will not shine
only the burnt out light will not shine
none of the lights will shine
a short circuit will occur
When energy moves from one place to another, it is called energy __________.
transport
transit
transmit
transfer
A toaster _______ electrical energy into heat energy.
converts
conserves
condenses
confirms
select devices :
generator
turbine
petroleum
battery
magnet
What does it mean to "convert" energy from one form to another?
add it
subtract it
change it
multiply it
What is the electrical grid?
the wires in a box under the stairs
the wires in a phone
the wires that connect electricity in a city, the wires that transfer electrical energy from many sources to many other places
the wires used to hold my Halloween skeleton up
What type of energy is usually transferred through wires?
heat (thermal) energy
light energy
electrical energy
mechanical (motion) energy
A machine that converts electrical energy to another form of energy is called an
algorithm
electrical device
elimination
electrical storm
A group of parts that work together is a
synthesize
source
system
evidence
What form of energy is transferred through wires?
electric energy
chemical energy
light energy
thermal energy
What is the energy conversion when you use gasoline to make a car move?
chemical to light
thermal to motion
sound to light
chemical to motion
What is the energy conversion when you plug in a fan?
thermal to sound
sound to thermal
thermal to electrical
electrical to motion
What is the energy conversion when a wind turbine turns to provide energy to a power grid?
thermal to motin
motion to electrical
electrical to chemical
nuclear to heat
What is the energy conversion when you put batteries in a flashlight to turn them on?
chemical to light
light to motion
chemical to thermal
What is the energy conversion when you burn wood for a fire?
chemical to thermal
electrical to thermal
light to motion
chemical to electrical
What is the energy conversion when you plug in a stereo and listen to music?
chemical to heat
electrical to sound
electrical to mechanical
potential to sound
Sun (solar), wind, and fossil fuels are all examples of:
systems
energy sources
designs
converters
Wires that transfer electrical energy from many sources to many places
function
transfer of energy
convert/energy converter
electrical grid
How is the electrical system similar to the simple solar panel system you built in class?
(select 3 answers)
Both have a converter to convert the energy from the energy source into electrical energy
Both are connected to multiple electrical devices
both have devices that are running on electrical energy
both have wires connecting the parts of the systems and transferring energy throughout the systems
both rely on wind energy to be converted into electrical energy
If the flashlight stopped working, what would be the best explanation and solution to the problem?
The flashlight ran out of light energy and needs to be rewired
The flashlight must be connected to a solar panel so that it has light energy to function
The flashlight needs thermal energy to work so the batteries need to be changed
The flashlight ran out of the chemical energy it was converting from the batteries, so the batteries need to be changed
Where does energy in an electrical system come from?
energy source
electrical grid
source converter
device converter
Which form of energy cooks a pizza?
motion
thermal
chemical
light
Which of the following explains the relationship between the parts in a system?
(select 2 answers)
the parts in a system can be arranged in any order and the system will always function correctly
a system is a collection of interacting parts that work together
each part in the system plays a role in the system's overall function
a system is made of parts that can work together but do not have to work together
What part of the electrical system transfers energy from one place to another?
wires
device converter
energy source
electrical device
Which is more efficient?
regular light bulbs
LED light bulbs
What does it mean if something is renewable?
It is not expensive.
It will never run out.
It can be trusted.
It still works if part of the system is missing,
Why might solar or wind energy not be reliable?
They runs out quickly.
They cost a lot of money.
They depend on the weather.
They don't make pollution.
Which of these can cause a blackout?
too many devices
sunset
bad weather
not enough energy
part of the system is broken
How do devices work?
by converting energy to another form
by fixing a blackout
it doesn't matter if part is missing
they make pollution
What evidence in the pictures tells us the lights are not broken?
the car moved
the car light is still on
the lights came back on later
a man fixed the lights
How does this lamp use energy?
Light energy converts to electrical energy.
Heat energy is transformed into electricity.
Electrical energy causes motion energy.
Electrical energy is converted to light and heat energy.
A town relies on water from a dam nearby to provide electricity. Explain the energy in
this example.
Motion energy from the water is transformed into electrical energy.
Motion energy from the water is transformed into sound energy.
Electrical energy from the water is transformed into motion energy.
Electrical energy from the water is transformed into electrical energy.
Every time Sonya and Sasha go camping, their lights don’t last very long when it turns dark out.
They want this light so they can read at their campsite. They brainstorm ways they can design a
solar powered light that will last the longest and solve their problem. What steps should they take
first to find the most effective solution?
Test only the design that is the cheapest to make.
Ask their friends which design they think will work best
Test different designs and choose the design that works the best.
Test only the design that is the easiest to make.
The image shows a blender mixing ingredients for a milkshake. Which of the following best
explains the energy in this example?
Electrical energy is transferred from the surrounding air.
Electrical energy is transferred to the motion energy.
Motion energy is transferred to the light energy.
Motion energy is created as it transfers to the electrical energy
Two bowling balls are rolling down two bowling lanes. The white ball is traveling at a speed of
14 miles per hour. The black ball is traveling at 12 miles per hour.
Which statement explains the energy demonstrated in this example?
The black ball has more energy than the white ball.
The white ball has more energy than the black ball
The black ball has a greater ability to create energy than the white ball.
The white ball has a greater ability to create energy than the black ball.
