Slide 1


Slide 2

Vocab

Heat
Transfer

Phase
Changes

Temp
Scales

ΔQ

1

1

1

1

1

2

2

2

2

2

3

3

3

3

3

4

4

4

4

4

5

5

5

5

5


Slide 3

Question: The average
kinetic energy of the
molecules in a substance.

Check Your Answer


Slide 4

Answer: Temperature

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Slide 5

Question: The amount of
thermal energy in an
object.

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Slide 6

Answer: Heat

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Slide 7

Question: The SI or
metric unit for heat.

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Slide 8

Answer: Joules

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Slide 9

Question: BTUs stands
for:

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Slide 10

Answer:

British Thermal Units

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Slide 11

Question: Evaporation and
boiling are both types of
this:

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Slide 12

Answer: Vaporization

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Slide 13

Question:

Type of heat transfer:
Burning your finger on a
hot stove.

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Slide 14

Answer: conduction

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Slide 15

Question:

Type of heat transfer:
A cool breeze flows off
the ocean

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Slide 16

Answer: Convection

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Slide 17

Question:

Type of heat transfer:
Energy travels from the
sun to the Earth

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Slide 18

Answer: radiation

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Slide 19

Question:

Type of heat transfer:
Infrared wavelengths of
energy

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Slide 20

Answer: radiation

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Slide 21

Question:

Type of heat transfer:
Only happens in fluids and
can NOT occur in solids

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Slide 22

Answer: Convection

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Slide 23

Question: process of
changing from solid to a
liquid

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Slide 24

Answer: melting

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Slide 25

Question: process of
changing from solid to a
gas

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Slide 26

Answer: sublimation

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Slide 27

Question: process of
changing from liquid to a
gas below the boiling point

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Slide 28

Answer: evaporation

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Slide 29

Question: process of
changing from gas to a
liquid

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Slide 30

Answer: condensation

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Slide 31

Question: process of
changing from liquid to a
gas that takes place
throughout the liquid

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Slide 32

Answer: boiling

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Slide 33

Question: The melting
point of water on the
Kelvin scale

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Slide 34

o

Answer: 273 K

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Slide 35

Question: The boiling
point of water on the
Celsius scale

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Slide 36

o

Answer: 100 C

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Slide 37

Question: Frost can begin
to appear outside with the
temperature starts to
drop below this
temperature on the
Fahrenheit scale
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Slide 38

o

Answer: 32 F

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Slide 39

Question: The
temperature scale that
o
can never reach -10

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Slide 40

Answer: Kelvin

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Slide 41

Question: Absolute zero
is when all molecular
motion stops. That is
zero on which scale?

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Slide 42

o

Answer: 0 K

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Slide 43

Question: The heat
energy needed to melt a
substance.

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Slide 44

Answer: The Heat of
Fusion

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Slide 45

Question: The heat of
fusion constant for water.

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Slide 46

Answer: 340 J/g

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Slide 47

Question: Specific heat
constant for water is 1.0
o
o
cal/g C and ______ J/g C

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Slide 48

Answer: 4.2

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Slide 49

Question: The heat
energy needed to boil a
substance

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Slide 50

Answer: the Heat of
Vaporization

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Slide 51

Question: the heat of
vaporization constant for
water

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Slide 52

Answer: 2300 J/g

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