WorksheetsEnergy Conversions Chapter 2 Quiz Practice
Total questions: 43
Worksheet time: 43mins
An energy _____ takes the energy and changes it to another form.
design
converter
criteria
source
______ means to change from one form of energy to another.
Convert
jumping jack
design
criteria
Which of the following is an electrical device?
radio
banana
book
pillow
A ______ is what something is used for.
function
evidence
sense
form
An energy ______ is where energy comes from.
source
library
store
engineer
All electrical devices use ______ as their input energy.
electrical energy
chemical energy
thermal energy
light energy
What is the energy conversion when you plug in a stereo and listen to music?
electrical to mechanical
chemical to nuclear
electrical to sound
potential to sound
What is the energy conversion when you put batteries in a flashlight to make it turn on?
chemical to light
light to kinetic
chemical to thermal
nuclear to light
What is the energy conversion when you plug in a charger to charge a battery?
electrical to light
kinetic to potential
thermal to chemical
electrical to chemical
Types of energy include...
light, heat and water
light, books and cake
light, heat and sound
water, wind and air
When you rub your hands together really fast, they get hot, therefore you are converting
electrical into sound
thermal into sound
sound into thermal
mechanical into thermal
Energy always has a __ from which it comes or begins
fuel
heat
power
source
In the following picture, what is the energy source?
(a)
According to the Household Electrical Devices Chart, identify which device will not work with the amount of energy in the device.
Dishwasher
Computer
Washing Machine
Dryer
A toaster _______ electrical energy into heat energy.
converts
conserves
condenses
confirms
________ energy is made by a circuit.
Potential
Mechanical
Kinetic
Electrical
When energy is changed from one form to another
motion
electrical grid
function
convert
Wires that transfer electrical energy from many sources to many places
function
transfer of energy
convert/energy converter
electrical grid
A(n) ________ is a group of parts that work together. (ex. a bike)
function
energy
evidence
system
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
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 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 plug in a fan?
thermal to sound
sound to thermal
thermal to electrical
electrical to motion
What is the energy conversion when you eat food for fuel to go for a run?
light to chemical
chemical to thermal
chemical to motion
motion to sound
What form of energy is transferred through wires?
electric energy
chemical energy
light energy
thermal energy
What do we call something that changes one form of energy to another?
function
energy converter
energy
buzzer
Which is NOT a form of energy we've learned about?
sound
thermal
static
light
Why might solar-powered devices have problems running at night?
They won't have problems
Because solar-powered devices use the sun for power
Because it is cooler at night
Starlight and moonlight will keep them running
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
All electrical devices are ____________.
awesome
old
converters
powerful
What happens when you put too many devices in a system?
The system will disappear
The system will blow up
The system won't have enough energy to work
The system will be fine
Choose all the different forms of energy.
thermal energy
chemical energy
light energy
electrical energy
food energy
What does it mean to convert energy?
to change one form of energy to another form
to use up the power
to plug something in
to turn it off
LED lights are more efficient because they don't give off as much ________.
light
sound
electricity
thermal energy
Jasmine's town relies on energy from wind to power lights in her school. Her friend Jose lives in another town that does not have a lot of wind. He doesn't understand how wind can make the lights stay on in her school. Which of the following is the best explanation Jasmine can provide to Jose about how this works?
Motion energy is converted to thermal energy
Motion energy is transferred to solar energy and then to electrical energy.
Motion energy is created by solar energy
Motion energy is converted into electrical energy.
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.
The illustration shows a lamp that is plugged into an outlet and powered on. 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.
