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Thermal Energy and Temperature

Total questions: 68

Worksheet time: 50mins

Name
Class
Date
1.
The phase of matter that has definite shape and definite volume is:
a)
solid.
b)
liquid.
c)
gas.
d)
plasma.
2.
In nature, heat always flows from a:
a)
cold object to a warm object.
b)
small object to a big object.
c)
warm object to a cold object.
d)
large object to a small object.
3.
Heat energy from the sun is transferred to Earth by:
a)
conduction.
b)
radiation.
c)
convection.
d)
insulation.
4.
If two objects have reached the same temperature they have reached:
a)
a melting point.
b)
a boiling point.
c)
thermal equilibrium.
d)
specific heat.
5.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
6.
Heat moves by ______ when it travels through waves.
a)
radiation
b)
conduction
c)
insulator
d)
convection
7.
Heat moves by ______ when it travels from one solid to another solid.
a)
radiation
b)
convection
c)
thermal energy
d)
conduction
8.
The way heat moves in liquids and gases is called _______.
a)
convection
b)
radiation
c)
conduction
d)
temperature
9.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
10.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
11.
Energy is transferred as heat between two objects of ___________ temperatures. 
a)
differing
b)
same
12.
As the kinetic energy of the molecules in a substance increases, the temperature of the substance __________.
a)
increases
b)
decreases
13.
The measure of average kinetic energy of all the particles within an object is called ____________. 
a)
temperature
b)
conduction
c)
radiation
d)
heat 
14.
In which state of matter are molecules moving the slowest?
a)
solid
b)
liquid
c)
gas
d)
all of the above
15.
Which direction is heat flowing in the picture?
a)
from the hand to the ice
b)
from the ice to the hand
c)
heat is not being transferred
d)
there is no way to tell
16.
Which material is the best conductor of heat?
a)
glass
b)
styrofoam
c)
metal
d)
wood
17.
What materials would be good insulators for a handle on a pan or pot that would be used on the stove?
a)
wood or plastic
b)
metal or rubber
c)
wood or rubber
d)
copper or steel
18.
Which of the following is an example of conduction?
a)
Solar energy warming a room.
b)
Heat rising from the coils of a stove.
c)
Hot air drying a wet towel.
d)
Heat moving from a clothes iron to a shirt.
19.
Which material is the best conductor of heat?
a)
glass
b)
styrofoam
c)
metal
d)
wood
20.
What materials would be good insulators for a handle on a pan or pot that would be used on the stove?
a)
wood or plastic
b)
metal or rubber
c)
wood or rubber
d)
copper or steel
21.
Why does a metal lawn chair get hot in the sun when the grass sitting in the same sunlight remains cool to the touch?
a)
Heat travels easily through plants but not metals.
b)
Heat travels easily through both plants and metals.
c)
Heat travels easily through metal objects but not through plants.
22.
Conduction can only occur between two objects when –
a)
one object is less dense than the other.
b)
both objects are in physical contact with each other.
c)
one of the objects is made of a metal.
d)
both objects are exactly the same temperature.
23.
Which of the following is an example of conduction?
a)
Solar energy warming a room.
b)
Heat rising from the coils of a stove.
c)
Hot air drying a wet towel.
d)
Heat moving from a clothes iron to a shirt.
24.
The particles of a gas move ____than the particles of the same substance in the liquid or solid state.
a)
faster
b)
slower
c)
same speed
25.
Which of the following are kinds of heat transfer.
a)
Conduction
b)
Convection
c)
Radiation
d)
All of the above
26.
Jenny poured some hot chocolate into a cup and stirred it with a metal spoon.  She noticed the spoon was really warm.  What is the best explanation for this?
a)
The spoon is a conductor.
b)
The spoon reflects heat.
c)
The spoon is an insulator.
d)
She touched the spoon first and waited to touch the cup.
27.
Convection is heat transfer by-
a)
Touch an object
b)
The heating and cooling of a fluid
c)
Electromagnetic Waves
28.
Radiation is heat transfer by-
a)
Touch
b)
Circles
c)
Waves
29.
In what direction do hot liquids and gasses move?
a)
Side to Side
b)
Down
c)
Up
d)
Back and Forth
30.
When the 2nd story of a house is warmer than the 1st floor of a house is heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal equilibrium
31.
The sun warming your skin is an example of heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal electricity
32.
The energy of moving particles
a)
heat
b)
thermal energy
c)
school
d)
temperature
33.
Is a measure of how hot or cold something is 
a)
Cold
b)
Heat
c)
Temperature
d)
Thermal Energy 
34.
In what direction do hot liquids and gasses move?
a)
Side to Side
b)
Down
c)
Up
d)
Back and Forth
35.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
36.

The sun makes you feel warm on a bright, sunny day

a)

Conduction

b)

Convection

c)

Radiation

37.

Meat is heated while sitting on a hot frying pan

a)

Conduction

b)

Convection

c)

Radiation

38.

The transfer of heat by the movement of particles in a fluid.

a)

Conduction

b)

Convection

c)

Radiation

39.

Smoke and hot air go up a chimney.

a)

Conduction

b)

Convection

c)

Radiation

40.

The handle of a pan gets hot when it is on the stove.

a)

Conduction

b)

Convection

c)

Radiation

41.

The safest place to be in a fire is low to the floor.

a)

Conduction

b)

Convection

c)

Radiation

42.

Hot air balloons are full of warmer air and rise up.

a)

Conduction

b)

Convection

c)

Radiation

43.

The outside of a bowl of soup gets hot.

a)

Conduction

b)

Convection

c)

Radiation

44.

A tin cup gets hot when you pour coffee into it.

a)

Conduction

b)

Convection

c)

Radiation

45.

The roof of your car gets hot in the sun.

a)

Conduction

b)

Convection

c)

Radiation

46.

Many kitchen pans have plastic handles that stay cool.

a)

Conduction

b)

Convection

c)

Radiation

47.

The transfer of heat energy by direct physical contact.

a)

Conduction

b)

Convection

c)

Radiation

48.

Solar panels are normally painted black.

a)

Conduction

b)

Convection

c)

Radiation

49.

You can cook a marshmallow over a campfire.

a)

Conduction

b)

Convection

c)

Radiation

50.

The transfer of heat by electromagnetic waves.

a)

Conduction

b)

Convection

c)

Radiation

51.

The outside of a pipe gets hot when it carries hot water.

a)

Conduction

b)

Convection

c)

Radiation

52.

White is the best color to wear on a hot sunny day.

a)

Conduction

b)

Convection

c)

Radiation

53.

Heat is transferred in oceans by water currents.

a)

Conduction

b)

Convection

c)

Radiation

54.

You get warm standing in front of a fireplace.

a)

Conduction

b)

Convection

c)

Radiation

55.

The top floor of a house is warmer than the 1st floor.

a)

Conduction

b)

Convection

c)

Radiation

56.

An ice cube melts in your hand.

a)

Conduction

b)

Convection

c)

Radiation

57.

Cats and dogs grow thicker coats before the winter.

a)

Conduction

b)

Convection

c)

Radiation

58.

Most coffee cups are made of paper or Styrofoam.

a)

Conduction

b)

Convection

c)

Radiation

59.

The bottoms of expensive pots and pans are coated in copper.

a)

Conduction

b)

Convection

c)

Radiation

60.
Warm air rises and the cool air sinks. This is...
a)
conduction
b)
convection
c)
radiation
61.
Heat transfers from an area of ________temperature to an area of ______ temperature.
a)
high to low
b)
low to high
c)
high to high
62.
Warm water from the ocean moves to the north while cool waters moves to the south. This is an example of.. 
a)
Conduction
b)
Convection
c)
Radiation
63.
If an object has particles that are moving very quickly, the object 's temperature is probably _____.
a)
cold
b)
slow
c)
big
d)
hot
64.
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
65.
Phase change from a solid to a liquid...
a)
melting
b)
freezing
c)
evaporation
d)
condensation
66.
Phase change from a liquid to solid?
a)
Melting
b)
Condensation
c)
Evaporation
d)
Freezing
67.
If I am adding thermal energy to a liquid it will turn into _______. 
a)
Solid
b)
Liquid
c)
Gas
d)
Melt
68.
On a hot summer day, a student dropped an ice cube onto a park bench. Within minutes, the ice cube melted. Which method of heat transfer best describes the process the student observed?
a)
radiation
b)
melting
c)
conduction
d)
convection