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Thermal Energy

Total questions: 58

Worksheet time: 29mins

Name
Class
Date
1.

This theory states that every solid, liquid, and gas is comprised of trillions of tiny particles that are constantly moving.

a)

The Theory of General Relativity

b)

The Theory of Spontaneous Generation

c)

The Theory of Natural Selection

d)

The Kinetic Theory of Matter

2.

Thermal energy is the sum of _________ and __________ energy of the particles that make up the material.

a)

chemical and radiant

b)

chemical and electrical

c)

kinetic and potential

d)

potential and radiant

3.

This is the average kinetic energy of the particles that make up a material.

a)

temperature

b)

heat

c)

thermal energy

d)

conduction

4.

This device is called...

a)

a temperature taking thingy

b)

a thermostat

c)

an electronic thermometer

d)

a bulb thermometer

5.

This device is...

a)

a digital electronic thermometer

b)

a bulb thermometer

c)

a thermostat

d)

a tongue depressor

6.

The lowest temperature that is theoretically possible for any material is referred to as...

a)

the big chill

b)

absolute zero

c)

absolutely freezing

d)

ice, ice baby

7.

Absolute zero equals (click all that are true)

a)

0 Kelvin

b)

-273˚ Celsius

c)

0˚ Centigrade

d)

-460˚ Fahrenheit

8.

This is the movement of thermal energy from a warmer to a cooler object.

a)

heat

b)

temperature

c)

specific heat

d)

conduction

9.

The transfer of thermal energy from one material to another by electromagnetic waves is...

a)

conduction

b)

convection

c)

radiation

d)

none of the above

10.

When I warm my hands over a radiator, this type of heat transfer takes place...

a)

conduction

b)

convection

c)

radiation

11.

When eggs are cooking in a frying pan, heat is being transferred by...

a)

conduction

b)

convection

c)

radiation

12.

Uh oh- Frosty just melted in the sun! Don't worry- he'll be back on Christmas Day! This type of heat transfer is called...

a)

conduction

b)

convection

c)

radiation

13.

The water is rising and sinking as it boils in the kettle. This is an example of this type of heat transfer...

a)

conduction

b)

convection

c)

radiation

14.

Warmth from the fireplace warms me in my comfy chair by this type of heat transfer.

a)

conduction

b)

convection

c)

radiation

15.

On A Christmas Story Flick ends up with his tongue frozen to a metal pole because of this type of heat transfer...

a)

conduction

b)

convection

c)

radiation

16.

Ice cream melts on a hot plate because of this type of thermal energy transfer...

a)

conduction

b)

convection

c)

radiation

17.

The transfer of thermal energy between materials by the collisions of particles is...

a)

conduction

b)

convection

c)

radiation

18.

A material through which thermal energy flows easily is...

a)

a thermal conductor

b)

a thermal insulator

c)

a heat engine

d)

a thermostat

19.

A material through which thermal energy does not flow easily is...

a)

a thermal conductor

b)

a thermal insulator

c)

a heat engine

d)

a thermostat

20.

The amount of thermal energy required to increase the temperature of 1 kg of a material by 1˚C is the...

a)

temperature

b)

heat

c)

specific heat

d)

potential energy

21.

True or False: The specific heat of water is extremely low.

a)

True

b)

False

22.

The specific heat of metal is...

a)

low

b)

high

23.

A balloon shrinks when its temperature decreases. This is an example of...

a)

thermal expansion

b)

thermal contraction

24.

Materials with a small specific heat are...

a)

easy to warm up

b)

hard to warm up

25.

True or False: It takes a lot of energy to change the temperature of a material with a high specific heat.

a)

True

b)

False

26.

True or False: Thermal conductors, like a metal pan, have a higher specific heat than thermal insulators.

a)

True

b)

False

27.

Water's high specific heat makes it ideal for (click all that are true)...

a)

preventing your body from overheating

b)

cooling us down as we dive in a pool

c)

cooling machinery like car engines

d)

cooling rock-cutting saws

28.

When we heat the air inside a hot air balloon, we... (click all that are true)

a)

transfer thermal energy so particles move faster

b)

cause the particles to speed up and spread out

c)

increase the balloon's volume

d)

cause the particles to slow and move closer together

29.

The purpose of a control joint on bridge decks is to...

a)

look spiffy

b)

prevent thermal expansion

c)

allow for thermal expansion

d)

increase thermal expansion

30.

Ovenproof glass is different than ordinary glass. The main difference is...

a)

ovenproof glass expands more when heated which reduces breaking

b)

ovenproof glass is dishwasher safe

c)

ovenproof glass can not be refrigerated

d)

ovenproof glass expands less when heated so is less likely to break

31.

The transfer of thermal energy by the movement of particles from one part of a material to another is...

a)

conduction

b)

convection

c)

radiation

d)

heat

32.

The rising, cooling, and sinking of magma under the earth's crust is an example of...

a)

conduction

b)

convection

c)

radiation

d)

thermal contraction

33.

When a bird seems to be 'floating' in air, it is really staying aloft because of...

a)

conduction

b)

convection

c)

radiation

d)

it has fishing line attached to each wing

34.

Ocean currents are a result of two processes- the action of wind on the surface of the water and from variations in water temperature that causes movement, or- this....

a)

conduction

b)

convection

c)

radiation

d)

wave energy

35.

When there is a significant difference in temperature between two parts of a fluid, the fluid will move in a cycle called...

a)

the water cycle

b)

a convection current

c)

conduction

d)

radiation

36.

What do a curling iron, a coffee pot, and a clothing iron all have in common?

a)

they all convert thermal energy to mechanical energy

b)

they are all heat engines

c)

I don't know- but this is the worst joke I have ever heard.

d)

they are all heating appliances

37.

This is a picture of...

a)

the bimetallic coil from a thermostat

b)

a party horn

c)

decorative earrings

d)

the tongue of a frilled-neck lizard

38.

Thermostats are found in all of the following devices, EXCEPT...

a)

refrigerator

b)

oven

c)

mixer

d)

toaster

39.

I'm thinking of a device that uses electric energy to transfer thermal energy from a cooler location to a warmer location. What is it?

a)

a heat engine

b)

a crankshaft

c)

a thermal insulator

d)

a refrigerator

40.

A machine that converts thermal energy to mechanical energy to move a vehicle is...

a)

a heat engine

b)

a thermostat

c)

a control joint

d)

an intake valve

41.

True or False: Gasoline and diesel engines are internal combustion engines.

a)

True

b)

False

42.

True or False: A steam engine is an example of an internal combustion engine.

a)

True

b)

False

43.

The carburetor sends gas droplets mixed with air into the cylinder. The piston moves down. This occurs in...

a)

the intake stroke

b)

the compression stroke

c)

the power stroke

d)

the exhaust stroke

44.

The piston moves up squishing the fuel air mixture. This occurs in the...

a)

intake stroke

b)

compression stroke

c)

power stroke

d)

exhaust stroke

45.

The spark plug ignites the fuel-air mixture and hot gases force the piston down, transferring energy to the wheels through the crankshaft. This is the...

a)

intake stroke

b)

compression stroke

c)

power stroke

d)

exhaust stroke

46.

The piston moves up and waste from the burned fuel-air is pushed out. This is the...

a)

intake stroke

b)

compression stroke

c)

power stroke

d)

exhaust stroke

47.

These particles are held close together and vibrate in place. The state of matter is...

a)

solid

b)

liquid

c)

gas

d)

plasma

48.

These particles are close together, but are able to move over and around each other. The state of matter is...

a)

solid

b)

liquid

c)

gas

d)

plasma

49.

These particles are spread out and move freely and quickly. The state of matter is...

a)

solid

b)

liquid

c)

gas or plasma

d)

Georgia

50.

True or False: The faster particles move, the more kinetic energy they have.

a)

True

b)

False

51.

True or False: The more spread out the particles are, the greater the potential energy they have.

a)

True

b)

False

52.

True or False: The greater the average kinetic energy of the particles, the lower the temperature.

a)

True

b)

False

53.

On the Fahrenheit scale, water freezes at ___________˚ and boils at ___________˚.

a)

0˚ and 212˚

b)

0˚ and 100˚

c)

32˚ and 100˚

d)

32˚ and 212˚

54.

On the Celsius scale, water freezes at 0˚C and boils at...

a)

100˚C

b)

212˚C

c)

273˚C

d)

1000˚C

55.

You can convert a Celsius temperature to Kelvin by...

a)

+ 273 to the Celsius temperature

b)

-273 from the Celsius temperature

56.

20˚C = ____________ K

a)

273 K

b)

283 K

c)

293 K

d)

303 K

57.

C = (˚F - 32) / 1.8 Convert 45˚F to ˚C.

a)

5.6˚C

b)

7.2˚C

c)

19.3˚C

d)

23.8˚C

58.

˚F = (˚C * 1.8) +32 Convert 60˚C to ˚F.

a)

110˚F

b)

120˚F

c)

130˚F

d)

140˚F