Quiz about Thermal Energy Unit Test

Question 1

The molecules in warm water move faster than molecules in cold water.

Accepted Answer

true

Answer

false

Question 2

When water gets hotter, the molecules move _____________.

Accepted Answer

faster

Answer

slower

Question 3

When water gets colder, the molecules move ______________.

Accepted Answer

slower

Answer

faster

Question 4

What is a measure of the average speed of the molecules of a thing?

Accepted Answer

temperature

Answer

energy

Answer

molecules

Answer

collision

Question 5

When a thing gets warmer and its molecules are moving faster, it has ____________ kinetic energy.

Accepted Answer

more

Answer

less

Answer

the same

Answer

too much

Question 6

When a thing gets colder and its molecules are moving slower, it has ____________ kinetic energy.

Accepted Answer

less

Answer

the same

Answer

more

Answer

not enough

Question 7

What is the measure of the average kinetic energy of the molecules of a thing?

Accepted Answer

temperature

Answer

energy

Answer

equilibrium

Answer

transfer

Question 8

After a collision, kinetic energy transfers from the slower-moving object to the faster-moving object.

Accepted Answer

false

Answer

true

Question 9

Energy isn't created or destroyed.

Accepted Answer

true

Answer

false

Question 10

What is a balanced state where the objects are stable?

Accepted Answer

equilibrium

Answer

kinetic energy

Answer

collision

Answer

system

Question 11

Colder things can have more total kinetic energy than warmer things if they are made up of more ___________________.

Accepted Answer

molecules

Answer

energy

Answer

collisions

Answer

heat

Question 12

An object with more molecules has more __________________ than an object with fewer molecules.

Accepted Answer

kinetic energy

Answer

temperature

Answer

heat

Answer

collisions

Question 13

When a thing gains or loses energy, the energy gained or lost is divided among all the molecules of the thing.

Accepted Answer

true

Answer

false

Question 14

Thermal energy is the same thing as temperature.

Accepted Answer

false

Answer

true

Question 15

At equilibrium, what is equal?

Accepted Answer

the temperature of each object

Answer

the number of molecules in each object

Answer

the thermal energy of each object

Answer

the weight of each object

Question 16

What is the measure of how hot or cold something is?

Accepted Answer

temperature

Answer

equilibrium

Answer

thermal energy

Answer

heat

Question 17

What is a group of atoms joined together in a particular way?

Accepted Answer

molecule

Answer

collision

Answer

temperature

Answer

energy

Question 18

What type of energy is energy that an object has because it is moving?

Accepted Answer

kinetic energy

Answer

thermal energy

Answer

heat energy

Answer

total energy

Question 19

What is a set of interacting parts forming a complex whole?

Accepted Answer

system

Answer

molecule

Answer

equilibrium

Answer

energy

Question 20

What is the moment when two object hit each other?

Accepted Answer

collision

Answer

heat

Answer

transfer

Answer

energy

Question 21

What does it mean to move from one object to another or one place to another?

Accepted Answer

transfer

Answer

collision

Answer

energy

Answer

equilibrium

Question 22

What does it mean when something becomes different over time?

Accepted Answer

change

Answer

equilibrium

Answer

stability

Answer

transfer

Question 23

What does it mean when something stays mostly the same?

Accepted Answer

stability

Answer

change

Answer

transfer

Answer

collision

Question 24

What type of energy is energy that an object has because of the movement of its molecules?

Accepted Answer

thermal energy

Answer

kinetic energy

Answer

total energy

Answer

average energy

Question 25

Which of the following is true about the sample shown? Choose all that apply.

Accepted Answer

The sample is cold.

Accepted Answer

The sample has slow-moving molecules.

Accepted Answer

The sample has low kinetic energy.

Answer

The sample is hot.

Answer

The sample has fast-moving molecules.

Question 26

Which of the following is true about the sample shown? Choose all that apply.

Accepted Answer

The sample is hot.

Accepted Answer

The sample has fast-moving molecules.

Accepted Answer

The sample has high kinetic energy.

Answer

The sample is cold.

Answer

The sample has slow-moving molecules.

Question 27

What is the total kinetic energy (thermal energy) of this object?

Accepted Answer

24

Answer

5

Answer

4

Answer

12

Question 28

What is the average kinetic energy (temperature) of the object?

Accepted Answer

4

Answer

24

Answer

5

Answer

12

Question 29

Choose the object with the highest total kinetic energy (thermal energy).

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 30

Choose the object with the lowest average kinetic energy (temperature).

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 31

What will happen if Sample A collides with Sample B? Choose all that apply.

Accepted Answer

Sample A will cool down.

Accepted Answer

Sample B will warm up.

Accepted Answer

Energy will transfer from Sample A to Sample B.

Accepted Answer

Energy will transfer until both samples are the same temperature.

Question 32

Choose the sample with the highest thermal energy.

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 33

Choose the sample with the highest temperature.

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 34

What will happen is Sample A collides with Sample B?

Accepted Answer

Sample B will transfer it's energy to Sample A.

Answer

Sample A will cool down.

Answer

Sample B will heat up.

Answer

Sample A will transfer it's energy to Sample B.

Question 35

Which sample has the highest average kinetic energy (temperature)?

Accepted Answer

Sample A

Answer

Sample B

Question 36

Which sample has the lower average kinetic energy (temperature)?

Accepted Answer

Sample C

Answer

Sample D

Question 37

Which of the following diagrams are correct?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Thermal Energy Unit Test

40 questions

The molecules in warm water move faster than molecules in cold water.

When water gets hotter, the molecules move _____________.

When water gets colder, the molecules move ______________.

What is a measure of the average speed of the molecules of a thing?

At what temperature is there zero molecule movement?

When a thing gets warmer and its molecules are moving faster, it has ____________ kinetic energy.

When a thing gets colder and its molecules are moving slower, it has ____________ kinetic energy.

What is the measure of the average kinetic energy of the molecules of a thing?

After a collision, kinetic energy transfers from the slower-moving object to the faster-moving object.

Energy isn't created or destroyed.

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