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Unit 4: Energy

Total questions: 40

Worksheet time: 23mins

Name
Class
Date
1.

What does "absorb" mean?

a)
To release or emit a substance.
b)
To break down a substance into smaller parts.
c)
To ignore or overlook information.
d)

To take in or soak up.

2.

What is a battery?

a)

An object that stores chemical energy that can be converted into electrical energy.

b)
A battery is a type of electrical wire.
c)
A battery is a device that only consumes energy.
d)
A battery is a type of fuel cell.
3.

What is Chemical energy?

a)
Chemical energy is the energy that can be converted into electrical energy.
b)
Chemical energy is the energy released during a chemical reaction.
c)

Chemical Energy is a form of energy that is stored in chemical bonds.

d)

Chemical energy is the energy that is released into the atmosphere.

4.

What is an electrical circuit?

a)
A series of batteries connected in parallel.
b)

A path through which electrical energy can flow.

c)
A type of electrical appliance used in homes.
d)

A device that stores electrical energy.

5.

What is light energy?

a)
Light energy is the energy generated by nuclear reactions.
b)
Light energy is the energy produced by sound waves.
c)
Light energy is the energy stored in chemical bonds.
d)

Light energy is the form of energy we can see.

6.

What does REFLECT or REFLECTION mean?

a)
To create a new source of light, heat, or sound.
b)
To ignore and forget about something entirely.
c)

To bounce off a surface.

d)
To absorb light, heat, or sound completely.
7.

What does REFRACT or REFRACTION mean?

a)

The bending of light due to a change in its speed when it passes through different media.

b)
Refraction is the scattering of light in all directions.
c)
Refraction refers to the reflection of light off a surface.
d)
Refraction is the process of light being absorbed by a medium.
8.

What is sound energy?

a)
Sound energy is the energy generated by solar panels.
b)
Sound energy is the energy stored in chemical bonds.
c)
Sound energy is the energy associated with the vibration of particles in a medium that produces sound waves.
d)
Sound energy is the energy produced by electrical devices.
9.

What is a switch?

a)
A switch is a software application for editing images.
b)
A switch is a type of electrical outlet.
c)
A switch is a device that stores data.
d)

A device that opens and closes an electrical circuit.

10.

What is thermal Energy?

a)

Thermal energy is a form of energy measured by temperature.

b)
Thermal energy is the energy produced by electrical currents.
c)
Thermal energy is the potential energy of an object due to its position.
d)

Thermal energy is the energy stored in chemical bonds of molecules.

11.

What does energy mean?

a)
Energy means the capacity to do work or produce change.
b)
Energy is a type of food.
c)
Energy is the measure of time.
d)
Energy refers to a physical object.
12.

What is a complete circuit?

a)
A complete circuit is a type of battery.
b)
A complete circuit prevents current from flowing.
c)

A complete circuit allows electric current to flow continuously.

d)
A complete circuit is an open loop.
13.

What is an incomplete circuit?

a)

A circuit with a break that prevents current from flowing.

b)
A circuit that is completely disconnected from any power source.
c)
A circuit that has multiple power sources.
d)
A circuit that allows current to flow freely.
14.

Chemical energy examples are...

a)

Solar panels, hydroelectric power gasoline.

b)

Wind turbines, pancakes

food

c)

Hydroelectric power

Food, shelter

d)

Batteries, food, gasoline.

15.

What is a conductor?

a)
A conductor is a type of electrical circuit that generates power.
b)
A conductor is a device that stores electrical energy.
c)
A conductor is a material that facilitates the flow of electric current or heat.
d)
A conductor is a type of insulator that blocks electric current.
16.

What does solar mean?

a)
Connected to the earth.
b)
Pertaining to water.
c)
Related to the sun.
d)
Related to the moon.
17.

What does transformation mean?

a)
Transformation means to stay the same.
b)
Transformation refers to a type of dance.
c)
Transformation is a synonym for stagnation.
d)
Transformation means a change in form or structure.
18.

What is mechanical energy?

a)
Energy stored in chemical bonds
b)
Energy related to temperature changes
c)

Mechanical energy is the energy due to movement.

d)
Energy produced by electrical currents
19.

Which is an example of CHEMICAL ENERGY

a)

Batteries

b)

lightbulb

c)

bell

d)

20.

Identify the type of energy

a)

Thermal energy

b)

Sound energy

c)

Mechanical energy

d)

Electrical energy

21.

Identify the type of energy

a)

Electrical Energy

b)

Mechanical energy

c)

Sound energy

d)

Thermal energy

22.

It is an example of _____________ energy

a)

Light

b)

Sound

c)

Heat

23.

Choose the type of energy

a)

Sound

b)

Thermal

c)

Electrical

d)

Chemical

24.

_______________:It is sound vibrations that we hear with our ears.

a)

Light energy

b)

Sound energy

c)

Heat energy

25.

What energy type is required to make this tool work?

a)

Thermal

b)

Light

c)

Sound

d)

Mechanical

26.

an example of reflection

a)

Looking through a window.

b)
Looking at a photograph of yourself.
c)
Watching a video of yourself.
d)
Seeing your image in a mirror.
27.

Movement of energy from one object to another.

a)

Heat

b)

Energy Transfer

c)

Themal Energy

d)

Temperature

28.

A radio uses electrical energy and transforms it into sound energy.

a)

true

b)

false

29.

Gasoline has stored chemical energy. Which machine could change chemical energy into mechanical energy?

a)

bicycle

b)

stove

c)

automobile

d)

flashlight

30.

If you are using a flashlight, which type of energy transformation is primarily occurring?

a)

Chemical to Thermal

b)

Chemical to Electrical to Light

c)

Mechanical to Electrical

d)

Electrical to Light

31.

What type of energy allows you to see the images and texts on your cell phone screen?

a)

Sound

b)

Thermal

c)

Magnetism

d)

Light

32.

Food is an example of __________ energy.

a)

Kinetic

b)

Thermal

c)

Chemical

d)

Potential

33.

When light bounces off of an object into a different direction

a)

absorbtion

b)

refraction

c)

reflection

34.

when light is stored inside of an object and turns into heat energy

a)

absorbtion

b)

refraction

c)

reflection

35.

The bending of light is called...

a)

a rainbow

b)

refraction

c)

reflection

d)

absorption

36.

When light bounces off light, this is called...

a)

refraction

b)

absorption

c)

reflection

d)

a prism

37.

What happens when light hits a mirror?

a)

It goes through the mirror and bends.

b)

It goes around the mirror.

c)

It bounces off the mirror.

d)

It goes straight through the mirror.

38.

Light absorbs easily into dark surfaces. Which object would absorb the most light?

a)

black t-shirt

b)

paper

c)

window

d)

tree

39.
a)

reflection

b)

refraction

40.

We are able to see a mirrored image of the mountains on the water through...

a)

refraction

b)

reflection

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