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Extra Credit Assignment for Energy Test

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

Which of the following is true about energy?

a)
Energy is the ability to do work or cause change.
b)
Energy cannot be created or destroyed
c)
Energy is a form of matter
d)
Energy is always in a state of rest
2.

Which of the following is an example of potential energy?

a)

Rock rolling down hill

b)
Moving car
c)

A running river

d)
Stretched rubber band
3.

When does kinetic energy reach its maximum value?

a)
When the object is at rest
b)

When the object is at its highest point of motion

c)

At the lowest point of an object's motion

d)

When the velocity of an object is at its minimum

4.

Which factor affects the amount of kinetic energy possessed by an object?

a)
Color of the object
b)
Weight of the object
c)
Shape of the object
d)
Speed of the object
5.

What is the relationship between kinetic and potential energy?

a)
Potential energy is not a real form of energy
b)
Kinetic energy is always greater than potential energy
c)
They are completely independent of each other
d)

They can be converted into each other

6.

When a pendulum reaches its highest point, what type of energy does it possess?

a)
Mechanical energy
b)
Thermal energy
c)
Potential energy
d)
Kinetic energy
7.

A ball is thrown into the air. At the highest point of its trajectory, what type of energy does it possess?

a)
Thermal energy
b)
Chemical energy
c)
Kinetic energy
d)
Potential energy
8.

Which of the following is an example of a chemical energy transformation?

a)
Charging a phone
b)
Boiling an egg
c)
Burning wood
d)
Freezing water
9.

Which of the following is an example of a mechanical energy transformation?

a)
Geothermal power plant producing steam
b)
Windmill grinding grain
c)
Hydroelectric dam generating electricity
d)
Solar panel heating water
10.

Which of the following is an example of a thermal energy transformation?

a)
Freezing water in a refrigerator
b)

Cracking an egg

c)
Charging a phone battery
d)
Heating water on a stove
11.

Which of the following is an example of an electrical energy transformation?

a)
Riding a bike
b)
Boiling water
c)
Reading a book
d)
Turning on a light bulb
12.

Which type of heat transfer involves the transfer of heat through electromagnetic waves?

a)
induction
b)
conduction
c)
convection
d)
radiation
13.

Mrs. Waters placed batteries in her remote control used to control the television.  

​Which of the following explains how the batteries are used to power a remote control?

a)

The batteries provide chemcial energy which is converted to electrical energy to power the remote control.

b)
The batteries control the volume of the television.
c)
The batteries change the channel on the television.
d)
The batteries adjust the brightness of the television screen.
14.

​Mrs. Kirkland looked at a picture of the flowers in her garden.  She stated that, “Flowers turn energy from the sun into chemical energy to make food.”

​

​ Which of the following arguments BEST supports her claim?

a)
Plants use moonlight to make food.
b)

Plants use photosynthesis to convert sunlight into chemical energy

c)
Flowers absorb water through their leaves to make food.
d)
Photosynthesis is the process of converting water into sunlight.
15.

​Which form of energy is involved in the process of crushing ice?

a)
Mechanical energy
b)
Nuclear energy
c)
Chemical energy
d)
Solar energy
16.

Robin remembers her teacher saying that water boiling is an example of convection, but she needs to be able to prove it.

​Which of the following will BEST prove that water boiling is an example of convection and which argument supports the claim?

a)
Observing the circular motion of water molecules in the pot as it heats up and boils, indicating the transfer of heat through the movement of fluid.
b)
Observing the square motion of water molecules in the pot
c)
Noticing the stillness of water molecules during boiling
d)
Seeing the water molecules change color as they heat up
17.

Which of the following is an example of conduction?

a)

The pavement heating up in the summertime

b)

Water boiling on a stove

c)
Blowing air to cool down a hot drink
d)
Placing a metal spoon in a hot cup of tea
18.

All of the following are examples of insulators EXCEPT...

a)
Metals
b)
Wood
c)
Plastic
d)
Glass
19.

Which of the following possesses nuclear energy?

a)

Smoke Alarms

b)
Hydroelectric dams
c)
Wind turbines
d)
Solar panels
20.

When you eat pancakes for breakfast and then run to class because you're late, what energy transformation is happening?

a)
Nuclear energy to potential energy
b)
Chemical energy to kinetic energy
c)
Solar energy to mechanical energy
d)
Electrical energy to sound energy