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Heat Transfer Review (25-26)

Total questions: 63

Worksheet time: 1hrs 25mins

Name
Class
Date
1.

In a solid the molecules

a)

vibrate

b)

roll around one another

c)

are spread apart

d)

are ionized

2.

In a liquid the molecules

a)

vibrate

b)

roll around one another

c)

are spread apart

d)

are ionized

3.

In a gas the molecules

a)

vibrate

b)

roll around one another

c)

are spread apart

d)

are ionized

4.

In a plasma the molecules

a)

vibrate

b)

roll around one another

c)

are spread apart

d)

are ionized

5.

Order the following from least attraction to most attraction

a)

Plasma

b)

Gas

c)

Liquid

d)

Solid

1)
2)
3)
4)
6.

Order the following from least energy to most energy

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

1)
2)
3)
4)
7.

Organize these options into the right categories

Categorize the following

Freezing

Condensation

Deposition

Melting

Vaporization

Sublimation

Exothermic
Endothermic
8.

When energy is lost the process is

a)

Exothermic

b)

Endothermic

9.

When energy is added the process is

a)

Exothermic

b)

Endothermic

10.

During a phase change

a)

potential energy is constant

b)

kinetic energy is constant

11.

During a phase change temperature is

a)

constant

b)

changing

12.

Temperature is

a)

the measure of kinetic energy

b)

the measure of potential energy

c)

the measure of heat energy

d)

the measure of potential and kinetic energy

13.

Temperature changes during

a)

a single phase or state

b)

a phase change

c)

both single phases and phase changes

14.

In an endothermic process during a phase change

a)

potential energy decreases

b)

potential energy increases

c)

Kinetic energy decreases

d)

Kinetic energy increases

15.

In an exothermic process during a phase change

a)

potential energy decreases

b)

potential energy increases

c)

Kinetic energy decreases

d)

Kinetic energy increases

16.

During a single phase when looking at an exothermic process (Select all that apply)

a)

potential energy decreases

b)

potential energy is constant

c)

kinetic energy increases

d)

kinetic energy decreases

17.

During a single phase when looking at an endothermic process (Select all that apply)

a)

potential energy decreases

b)

potential energy is constant

c)

kinetic energy increases

d)

kinetic energy decreases

18.

What is the condensation point (temperature)?

a)

59 oC

b)

60 oC

c)

120 oC

d)

119 oC

19.

What is the freezing point (temperature)?

a)

59 oC

b)

60 oC

c)

120 oC

d)

119 oC

20.

What letters show a change in Kinetic energy? Select all that apply.

a)

A

b)

B

c)

C

d)

D

e)

E

21.

What letters show a change in Potential energy? Select all that apply.

a)

A

b)

B

c)

C

d)

D

e)

E

22.

If the image shows an exothermic process, at point B

a)

the potential energy is constant

b)

the kinetic energy is decreasing

c)

the potential energy is increasing

d)

the potential energy is decreasing

23.

If the image shows an exothermic process, at point C

a)

the potential energy increases

b)

the kinetic energy is decreasing

c)

the kinetic energy is constant

d)

the kinetic energy is increasing

24.

During a single phase temperature is

a)

constant

b)

changing

25.

While the temperature increases

a)

Particles move slower

b)

Particles move faster

c)

The phase changes

d)

None of the above

26.

What state of matter is the picture shown?

a)

Solid

b)

Liquid

c)

Gas

27.

What phase is the substance pictured in?

a)

solid

b)

liquid

c)

gas

28.

What is the vaporization point of the substance?

a)

280 K

b)

340 K

c)

175 K

d)

310 K

29.

The melting point of the sample is

a)

-60 ºC

b)

-100 ºC

c)

60 ºC

d)

100 ºC

30.

What is the boiling point of this substance?

a)

20°C

b)

50°C

c)

110°C

d)

170°C

31.

Match the following

a)
1.

solid

b)
2.

liquid

c)
3.

gas

32.
When the temperature of matter decreases the particles ...
a)
speed up and move farther apart
b)
speed up and move closer together
c)
slow down and move farther apart
d)
slow down and move closer together
33.

What is meant by sublimation?

a)

Liquid changing to a gas

b)

Solid changing to a liquid

c)

Solid changing to a gas

d)

Liquid changing to a solid

34.

Where on the graph is the substance a solid?

a)

A to B

b)

B to C

c)

C to D

d)

D to E

e)

E to F

35.

Where on the graph is the substance a gas?

a)

A to B

b)

B to C

c)

C to D

d)

D to E

e)

E to F

36.

Where on the graph is the substance a liquid?

a)

A to B

b)

B to C

c)

C to D

d)

D to E

e)

E to F

37.

Where on the graph is the kinetic energy remaining constant?

a)

A to B

b)

B to C

c)

C to D

d)

D to E

e)

E to F

38.

Where on the graph is the potential energy remaining constant?

a)

A to B

b)

B to C

c)

C to D

d)

D to E

e)

E to F

39.

Where on the graph is the substance freezing?

a)

A to B

b)

B to A

c)

B to C

d)

C to B

e)

C to A

40.

What is the melting point of this substance?

a)

0 oC

b)

87.8 oC

c)

100 oC

d)

-12.2 oC

41.

What is the freezing point of this substance?

a)

0 oC

b)

87.8 oC

c)

100 oC

d)

-12.2 oC

42.

During a phase change, kinetic energy will _____ while potential energy will _____?

a)

stay the same, stay the same

b)

change, stay the same

c)

Stay the same, change

43.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
44.

In which region(s) of the heating curve would water be a liquid and a gas at the same time?

a)

A

b)

B

c)

C

d)

D

e)

E

45.

Label the Heat Curve with the correct phases.
S = Solid only

L = Liquid only

G = Gas only

S + L = Solid and Liquid

L + G = Liquid and Solid

a)

L + G

b)

S

c)

L

d)

G

e)

S + L

1
2
3
4
5
1)
2)
3)
4)
5)
46.

During freezing, the potential energy is

a)

increasing

b)

decreasing

c)

staying the same

47.

When the substance is a liquid, the potential energy is

a)

increasing

b)

decreasing

c)

staying the same

48.

During vaporization, the kinetic energy is

a)

increasing

b)

decreasing

c)

staying the same

49.

In a solid in an exothermic process the kinetic energy is

a)

increasing

b)

decreasing

c)

staying the same

50.

During a phase change, the kinetic energy ​ (a)   .

During a phase change, the potential energy ​ (b)  

Choose from the below words
remains constant
changes
51.

During a single phase, the kinetic energy ​ (a)   .

During a single phase, the potential energy ​ (b)  

Choose from the below words
remains constant
changes
52.

Temperature is a measure of: (Select all that apply)

a)

heat

b)

speed of the molecules

c)

kinetic energy

d)

thermal energy

53.

Which has the higher temperature?

a)

A

b)

B

c)

They have the same temperature

54.

Which has the lower temperature?

a)

A

b)

B

c)

They have the same temperature

55.

Which has faster molecules?

a)

A

b)

B

c)

The molecules have the same speed

56.

Which has slower molecules?

a)

A

b)

B

c)

The molecules have the same speed

57.

Which has more heat?

a)

A

b)

B

c)

They have the same heat

58.

Which has less heat?

a)

A

b)

B

c)

They have the same heat

59.

Object A has an average KE of​ (a)   and object B has an average KE of ​ (b)   . Object A has a​ (c)   temperature than B. Object A has a heat of ​ (d)   .

Choose from the below words
5J
1.9J
higher
60J
38J
lower
12J
20J
60.

You have a pool, a lake, and a bowl all full of water at 65oF. Which has the most heat energy?

a)

They all have the same heat energy.

b)

The Pool

c)

The Lake

d)

The Bowl

61.

You have a pool, a lake, and a bowl all full of water at 65oF. Which has the lowest kinetic energy?

a)

They all have the same kinetic energy.

b)

The Pool

c)

The Lake

d)

The Bowl

62.

Three bowls are laid out in front of you. The first bowl has a temperature of 50oC, the second is at 65oC, and the third is at 30oC. Which bowl has the least amount of heat energy?

a)

Bowl 1

b)

Bowl 2

c)

Bowl 3

d)

They all have the same amount of heat energy.

63.

Three bowls are laid out in front of you. The first bowl has a temperature of 50oC, the second is at 65oC, and the third is at 30oC. Which bowl has the lowest average kinetic energy?

a)

Bowl 1

b)

Bowl 2

c)

Bowl 3

d)

They all have the same amount of kinetic energy.

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