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Heated JEOPARDY!

Heated JEOPARDY!

TEMP.

TEMP.

Specific

Specific

Heat

Heat

Capacity

Capacity

Heat

Heat

Transfer

Transfer

Keep it

Keep it

hot!

hot!

The

The

Insulated

Insulated

Mug

Mug

Calculat

Calculat

e Me!

e Me!

(2)

Answer

Answer

This is the term for

This is the term for

thermal energy (total

thermal energy (total

kinetic energy) present

kinetic energy) present

in a substance or fluid.

(3)

Question

Question

What is heat?

What is heat?

(4)

Answer

Answer

This term literally

This term literally

means “hotness meter”.

means “hotness meter”.

(5)

Question

Question

What is a

What is a

thermometer?

thermometer?

(6)

Answer

Answer

This is a measurement

This is a measurement

of the average kinetic

of the average kinetic

energy of the particles

energy of the particles

in a substance.

(7)

Question

Question

What is temperature?

What is temperature?

(8)

Answer

Answer

Which has a the most average

Which has a the most average

kinetic energy?

kinetic energy?

a)

a)

85 degree bucket of water

85 degree bucket of water

b)

b)

75 degree Atlantic Ocean

75 degree Atlantic Ocean

c)

c)

90 degree teaspoon of

90 degree teaspoon of

water

water

(9)

Question

Question

What is 90 degree

What is 90 degree

teaspoon of water

(10)

Answer

Answer

Which has a the most total

Which has a the most total

kinetic energy?

kinetic energy?

a)

a)

85 degree bucket of water

85 degree bucket of water

b)

b)

75 degree Atlantic Ocean

75 degree Atlantic Ocean

c)

c)

90 degree teaspoon of

90 degree teaspoon of

water

(11)

Question

Question

What is 75 degree

What is 75 degree

atlantic ocean

atlantic ocean

(12)

Answer

Answer

This is what specific

This is what specific

heat measures.

heat measures.

(13)

Question

Question

The amount of energy

The amount of energy

needed to change 1

needed to change 1

gram of a substance 1

gram of a substance 1

degree Celsius.

degree Celsius.

(14)

Answer

Answer

The real meaning of the

The real meaning of the

variable

variable

(15)

Question

Question

What is T

What is T

final

final

– T

– T

initial

initial

?

?

(16)

Answer

Answer

Which has a higher

Which has a higher

specific heat capacity,

specific heat capacity,

water or sand?

water or sand?

(17)

Question

Question

What is water!

What is water!

(18)

Answer

Answer

The amount of heat needed to

The amount of heat needed to

move 5 kg of water from 50

move 5 kg of water from 50

95

95

degrees Celsius. (Specific heat of

degrees Celsius. (Specific heat of

water is 4186 J/kg C)

water is 4186 J/kg C)

(19)

Question

Question

What is 941,850 Joules?

(20)

Answer

This substance has the lowest

This substance has the lowest

thermal inertia

(21)

Question

Question

What is lead?

What is lead?

(22)

Answer

Answer

Ouch! That pot handle

Ouch! That pot handle

is hot!

(23)

Question

Question

What is conduction?

What is conduction?

(24)

Answer

Answer

Ahh! That summer

Ahh! That summer

breeze feels great!

(25)

Question

Question

What is convection?

What is convection?

(26)

Answer

Answer

Wow! That sunburn

Wow! That sunburn

hurts a lot!

hurts a lot!

(27)

Question

Question

What is radiation?

What is radiation?

(28)

Answer

Answer

Hey Homie, let’s cook a

Hey Homie, let’s cook a

hot dog on the hood of

hot dog on the hood of

my car!

my car!

(29)

Question

Question

What is conduction?

What is conduction?

(30)

Answer

Answer

Wow! The Ronco oven

Wow! The Ronco oven

heats that chicken fast!

(31)

Question

Question

What is convection?

What is convection?

(32)

Answer

Answer

Surface that absorbs

Surface that absorbs

the most heat

(33)

Question

Question

What is dull black?

What is dull black?

(34)

Answer

Answer

A runner keeps warm

A runner keeps warm

by putting this over

by putting this over

their body after a race

their body after a race

(35)

Question

Question

What is a sheet that is

What is a sheet that is

coated in shiny silver

coated in shiny silver

material?

material?

(36)

Answer

Answer

A coating that reflects

A coating that reflects

all wavelengths of light

all wavelengths of light

and can keep a home

and can keep a home

cooler

cooler

(37)

Question

Question

What is a white

What is a white

coating?

coating?

(38)

Answer

Answer

The term for what

The term for what

happens to the heat

happens to the heat

after it is absorbed into

after it is absorbed into

a dull black coating,

a dull black coating,

after the energy

after the energy

transfer stops.

transfer stops.

(39)

Question

Question

What is emit heat, or

What is emit heat, or

radiate heat outward.

radiate heat outward.

(40)

Answer

Answer

The term used to

The term used to

explain why a hot coffee

explain why a hot coffee

cools down to room

cools down to room

temperature over time.

temperature over time.

(41)

Question

Question

What is thermal

What is thermal

equilibrium?

equilibrium?

(42)

Answer

Answer

The resulting

The resulting

temperature when 100

temperature when 100

mL of 60 degree Celsius

mL of 60 degree Celsius

water is added to 100

water is added to 100

mL of 90 degree water.

mL of 90 degree water.

(43)

Question

Question

What is 75 degrees

What is 75 degrees

Celsius?

Celsius?

(44)

Answer

Answer

The method of heat

The method of heat

transfer that heated up

transfer that heated up

your water on the hot

your water on the hot

plate

plate

(45)

Question

Question

Conduction and/or

Conduction and/or

convection

convection

(46)

Answer

Answer

The reason styrofoam

The reason styrofoam

cups had more heat

cups had more heat

retention than paper cups

retention than paper cups

(47)

Question

Question

Higher specific heat

Higher specific heat

capacity and More air

capacity and More air

space

space

(48)

Answer

Answer

The lid to your cup was

The lid to your cup was

vital for insulation.

vital for insulation.

Heat would be lost by

Heat would be lost by

this method if you did

this method if you did

not have one.

not have one.

(49)

Question

Question

What is convection?

What is convection?

(50)

Answer

Answer

Rank the following materials

Rank the following materials

in terms of most to least to

in terms of most to least to

highest specific heat capacity

highest specific heat capacity

(51)

Question

What is... Metal, sand, air, water

What is... Metal, sand, air, water

(52)

Answer

Answer

The amount of water (c

The amount of water (c

= 4186 J/kg C) that can

= 4186 J/kg C) that can

hold 85,000J of heat as

hold 85,000J of heat as

it goes from 20 to 45

it goes from 20 to 45

degrees Celsius.

(53)

Question

Question

What is 0.81kg?

What is 0.81kg?

(54)

Answer

Answer

The specific heat

The specific heat

capacity of a 50 kg solid

capacity of a 50 kg solid

that goes from 50 to

that goes from 50 to

250 degrees Celsius as

250 degrees Celsius as

it absorbs 50,000 J of

it absorbs 50,000 J of

heat.

heat.

(55)

Question

Question

What is 5 J/kg C?

What is 5 J/kg C?

(56)

Double JEAPORDY

Double JEAPORDY

How much do you wish to wager?

How much do you wish to wager?

(57)

Double JEAPORDY

Double JEAPORDY

Answer

Answer

The change in

The change in

temperature of a 1050

temperature of a 1050

kg solid that has a

kg solid that has a

specific heat capacity of

specific heat capacity of

400 J/kg C and absorbs

400 J/kg C and absorbs

1,260,000 J of heat.

1,260,000 J of heat.

(58)

Double JEAPORDY

Double JEAPORDY

Question

Question

What is 3 degrees

What is 3 degrees

Celsius?

Celsius?

(59)

Answer

Answer

The greater temperature

The greater temperature

change if 2 250 kg solids

change if 2 250 kg solids

absorb 50,000 J of heat if

absorb 50,000 J of heat if

solid A

solid A

has a specific heat

has a specific heat

capacity of 10,000 J/kg C and

capacity of 10,000 J/kg C and

solid B

solid B

has a specific heat of

has a specific heat of

5,000 J/kg C

5,000 J/kg C

(60)

Question

Question

What is solid B?

What is solid B?

(61)

Answer

Answer

In the equation:

In the equation:

Q = m

Q = m

x

x

c

c

x

x

The impact of having half

The impact of having half

the specific heat capacity

the specific heat capacity

does this to the heat of

does this to the heat of

the system

the system

(62)

Question

Question

What is decrease heat

What is decrease heat

(Q) by half?

(Q) by half?

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