Quiz about Energy Review

Question 1

What is the definition of "average"?

Accepted Answer

a number that describes a set of data and can be calculated by adding all the numbers in a list and then dividing by the number of numbers.

Answer

tiny organisms that are made of a single cell

Answer

the ability to make things move or change

Question 2

What is the definition of "kinetic energy"?

Accepted Answer

the energy that an object has because it is moving

Answer

the ability to make things move or change

Answer

to move from one object to another or one place to another

Question 3

What is the definition of "transfer"?

Accepted Answer

to move from one object to another or one place to another

Answer

energy that moves

Answer

the ability to make things move or change

Question 4

What is the BEST definition of "temperature"?

Accepted Answer

A measure of the average speed of the molecules of a substance.

Answer

the amount of movement that atoms store

Answer

The transfer of energy from one form to another

Answer

A measure of how hot or cold something is

Question 5

What is the definition of "equilibrium"?

Accepted Answer

a balanced state in which a system is stable, such as when two samples are at the same temperature

Answer

when two things exchange molecules

Answer

when two things are balanced and weigh the same

Answer

when two things exchange energy

Question 6

When two samples come in contact the energy will flow

Accepted Answer

from the warmer one to the cooler one.

Answer

from the cold one to the warmer one.

Answer

energy does not move.

Question 7

Energy can't be created or destroyed.

Accepted Answer

true

Answer

false

Question 8

Molecules in a hotter sample will....

Accepted Answer

have more kinetic energy

Accepted Answer

be moving faster

Answer

be moving slower

Answer

be red in color

Question 9

Energy transfers occur when....

Accepted Answer

molecules collide with each other

Answer

molecules bond with each other

Question 10

If two objects are touching and one object DECREASES in temperature, the other object with INCREASE in temperature.

Accepted Answer

True

Answer

False

Question 11

If the molecules of a sample speed up, what else happens?

Accepted Answer

The temperature of the sample increases.

Answer

The temperature of the sample decreases.

Answer

The temperature of the sample stays the same.

Answer

The temperature of the sample does not exist.

Question 12

What is the correct temperature order?

Accepted Answer

Sample A: hotter

Sample B: colder

Answer

Sample A: cooler

Sample B: warmer

Answer

Sample A: warmer

Sample B: cooler

Answer

Sample A: colder

Sample B: hotter

Question 13

What is the correct temperature order?

Accepted Answer

Sample A: hotter

Sample B: colder

Answer

Sample A: cooler

Sample B: warmer

Answer

Sample A: warmer

Sample B: cooler

Answer

Sample A: colder

Sample B: hotter

Question 14

What is the correct temperature order?

Accepted Answer

Sample C: colder

Sample D: hotter

Answer

Sample C: warmer

Sample D: cooler

Answer

Sample C: hotter

Sample D: colder

Answer

Sample C: cooler

Sample D: warmer

Question 15

What is the correct temperature order?

Accepted Answer

Sample E: hotter

Sample F: colder

Answer

Sample E: cooler

Sample F: warmer

Answer

Sample E: colder

Sample F: hotter

Answer

Sample E: warmer

Sample F: cooler

Question 16

The samples are...

Accepted Answer

...at equilibrium.

Answer

...not at equilibrium.

Question 17

The samples are...

Accepted Answer

...at equilibrium.

Answer

...not at equilibrium.

Question 18

The samples are...

Accepted Answer

...not at equilibrium.

Answer

...at equilibrium.

Question 19

Why is proposal #1 the worst solution and proposal #2 the best solution? Select all that apply.

Accepted Answer

Proposal #1 has less kJ energy to give than proposal #2.

Accepted Answer

Proposal #2 has more kJ energy to give than proposal #1.

Accepted Answer

Proposal #1 heats the school for half the day.

Accepted Answer

Proposal #2 heats the school for the whole day.

Question 20

True or false? Sample A molecules are in motion with energy.

Accepted Answer

True

Answer

False

Question 21

Which diagram shows the correct energy levels for hot and cold water?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 22

Which sample will transfer energy to the other?

Accepted Answer

Sample B will transfer energy to Sample A.

Answer

Sample A will transfer energy to Sample B.

Answer

Neither sample will transfer energy to the other.

Answer

Both samples will transfer energy to each other.

Question 23

Select the correct statements. Select all that apply.

Accepted Answer

The temperature of Sample B increased.

Accepted Answer

The temperature of Sample A decreased.

Answer

The temperature of Sample A increased.

Answer

The temperature of Sample B decreased.

Question 24

Select all systems where energy will transfer when Sample A and Sample B are moved into contact. Select all that apply.

Accepted Answer

System 1

Accepted Answer

System 4

Answer

System 2

Answer

System 3

Question 25

A 65 degree sample makes contact with a 35 degree sample, how will the systems react?

Accepted Answer

The red will get hotter with energy from the black until they are equal

Answer

The red will get hotter along with the black

Answer

The black will get colder with energy from red until they equal

Answer

The black will share energy with the red forever

Question 26

Radiation is a method of thermal energy transfer that moves -

Accepted Answer

through empty space.

Answer

when objects touch.

Answer

only through solids.

Answer

in the motion of fluids.

Question 27

Which of the following is an example of conduction?

Accepted Answer

Heat moving from a clothes iron to a shirt.

Answer

Solar energy warming a room.

Answer

Heat rising from the coils of a stove.

Answer

Hot air drying a wet towel.

Question 28

Heat transfer in boiling water.

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Question 29

On a cold rainy day a baby is touching a cold window.  It feels so cold. Which way is the heat moving moving?

Accepted Answer

Heat is moving from the hand to the window.

Answer

Cold is moving from the window to the hand.

Answer

Heat doesn't move.

Answer

It moves in currents

Question 30

Heat transfer in wind.

Accepted Answer

convection

Answer

conduction

Answer

radiation

Question 31

The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer.

Accepted Answer

radiation

Answer

conduction

Answer

convection

Question 32

what is radiation?

Accepted Answer

heat waves/ light waves

Answer

direct touch

Answer

air or liquids

Answer

touching the cookies out of the oven

Question 33

The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?

Accepted Answer

radiation

Answer

conduction

Answer

convection

Answer

insulation

Question 34

Claude is in the kitchen cooking and is going to stack one pan on top of another pan. The two pans are the same size and have the same number of molecules. The diagram above shows the pans now, before they touch each other.

How does the temperature of the top pan compare with the temperature of the bottom pan now, and what will happen after the pans have been touching for a while?

Accepted Answer

Before the pans touch, the bottom pan is hotter than the top pan. Once the pans are touching, the bottom pan will transfer kinetic energy to the molecules in the cooler top pan until both pans reach the same temperature, which will be in between their starting temperatures.

Answer

Before the pans touch, the bottom pan is hotter than the top pan. Once the pans are touching, the cooler top pan will gain kinetic energy until the molecules in both pans have an energy of 70, because hotter things increase the temperature of cooler things.

Answer

Before the pans touch, the bottom pan is cooler than the top pan. Once the pans are touching, the top pan will transfer kinetic energy to the molecules in the cooler bottom pan until both pans reach the same temperature, which will be in between their starting temperatures.

Answer

Before the pans touch, the two pans are different temperatures. Once the pans are touching, both kinetic energy and cold energy will transfer between the molecules in the two pans until both pans reach the same temperature, which will be in between their starting temperatures.

Question 35

Claude is in the kitchen cooking and is going to stack one pan on top of another pan. The two pans are the same size and have the same number of molecules. The diagram above shows the pans now, before they touch each other.

How does the temperature of the top pan compare with the temperature of the bottom pan now, and what will happen after the pans have been touching for a while?

Accepted Answer

Before the pans touch, the bottom pan is hotter than the top pan. Once the pans are touching, the bottom pan will transfer kinetic energy to the molecules in the cooler top pan until both pans reach the same temperature, which will be in between their starting temperatures.

Answer

Before the pans touch, the bottom pan is hotter than the top pan. Once the pans are touching, the cooler top pan will gain kinetic energy until the molecules in both pans have an energy of 70, because hotter things increase the temperature of cooler things.

Answer

Before the pans touch, the bottom pan is cooler than the top pan. Once the pans are touching, the top pan will transfer kinetic energy to the molecules in the cooler bottom pan until both pans reach the same temperature, which will be in between their starting temperatures.

Answer

Before the pans touch, the two pans are different temperatures. Once the pans are touching, both kinetic energy and cold energy will transfer between the molecules in the two pans until both pans reach the same temperature, which will be in between their starting temperatures.

Question 36

An architect is stacking pieces of plastic to make two columns in a model building. The diagram above shows the pieces of plastic before they touch each other.

After they have been touching for a while, which of the two top plastic pieces will be cooler, and why?

Accepted Answer

The larger top plastic piece will be cooler than the smaller top plastic piece, because the energy that transferred to it was spread out over more molecules.

Answer

The larger top plastic piece will be cooler than the smaller top plastic piece. It started with more total energy, so less energy had to transfer for both pieces in the stack to reach the same total energy.

Answer

Both pieces will be the same temperature, because both of the bottom pieces had the same amount of energy to transfer and the molecules in the top plastic start with the same energy.

Answer

The smaller top plastic piece will be cooler than the larger top plastic piece, because less energy has to transfer for the molecules to reach the same temperature as the molecules of the bottom plastic.

Question 37

Kekoa made a pot of applesauce, then put it into containers to store it. The containers are placed in two separate stacks. The diagram above shows the containers of applesauce before they touch each other.

After a while, which of the two top containers will be cooler, and why?

Accepted Answer

The larger top container will be cooler than the smaller top container, because the energy that transferred to it is spread out over more molecules.

Answer

The smaller top container will be cooler than the larger top container, because less energy has to transfer for the molecules to reach the same temperature as the molecules of the bottom container.

Answer

Both top containers will be the same temperature, because both of the bottom containers have the same amount of energy to transfer and the molecules in the top containers started with the same energy.

Answer

The larger top container will be cooler than the smaller top container. It started with more total energy, so less energy has to transfer for both containers in the stack to reach the same total energy.

Question 38

Which type of energy increases when you compress a spring?

Accepted Answer

elastic potential energy

Answer

kinetic energy

Answer

radiant energy

Answer

sound energy

Question 39

Elastic potential energy is energy stored in an object, such as a spring, due to the object being stretched or compressed. In which position is it most likely that the spring has lost its elastic potential energy?

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 40

Energy stored because of gravity is called:

Accepted Answer

Gravitational Potential Energy

Answer

Kinetic Energy

Answer

Mechanical Advantage

Answer

Chemical Energy

Question 41

At which point does the ball has the greatest gravitational potential energy (GPE)?

Accepted Answer

A

Answer

G

Answer

D

Answer

C

Answer

G

Question 42

Which would have the LEAST gravitational potential energy (GPE)?

Accepted Answer

A ball sitting on the ground

Answer

Moon viewed from the Earth

Answer

An airplane flying 30,000 feet above the ground

Answer

A rock sitting on top of Mt. Everest

Question 43

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

Accepted Answer

Raise the object farther off the ground

Answer

Make the object larger

Answer

Lower the object towards the ground

Answer

Allow the object to roll on the ground

Question 44

At which point is the kinetic energy the greatest?

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 45

What position has the least amount of potential energy?

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 46

Imagine both balls fall off the table at the same speed. Which colour ball has more kinetic energy?

Accepted Answer

Green

Answer

Red

Answer

They have the same amount

Answer

Neither balls have kinetic energy

Question 47

When a pendulum swings, at which point is potential energy at its greatest?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 48

Which is the Potential energy from most to least on the stairs?

Accepted Answer

A, B, C, D

Answer

D, C, B, A

Answer

C, B, A D

Answer

D, A, B, C

Question 49

Which is the Potential energy from least to the greatest on the stairs?

Accepted Answer

D, C, B, A

Answer

A, B, C, D

Answer

C, B, A D

Answer

D, A, B, C

Question 50

Four cars are positioned at the top of a hill. Which car has the most potential energy?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 51

What kind of energy is in a moving skateboard?

Accepted Answer

Kinetic

Answer

Potential

Question 52

Eventually, the swing will stop moving because...

Accepted Answer

All of the energy was converted into another type of energy, like thermal energy.

Answer

Kinetic energy was lost or destroyed.

Answer

Potential energy was created.

Energy Review

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