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Savvas Physical Science Topic 4 Thermal Energy

Total questions: 101

Worksheet time: 2hrs 6mins

Name
Class
Date
1.

Thermal Energy

a)

The total kinetic and potential energy of all the particles in an object.

b)

Energy that is transferred from a warmer object to a cooler object.

c)

A measure of the average kinetic energy of the particles in a substance.

d)

The heating of a substance that causes its particles to move more quickly.

2.

Temperature

a)

The total kinetic and potential energy of all the particles in an object.

b)

Energy that is transferred from a warmer object to a cooler object.

c)

A measure of the average kinetic energy of the particles in a substance.

d)

The heating of a substance that causes its particles to move more quickly.

3.

Heat

a)

The total kinetic and potential energy of all the particles in an object.

b)

Energy that is transferred from a warmer object to a cooler object.

c)

A measure of the average kinetic energy of the particles in a substance.

d)

The heating of a substance that causes its particles to move more quickly.

4.

Conduction

a)

The transfer of energy by electromagnetic waves.

b)

A circular motion of air that causes wind and changes in weather

c)

A type of heat transfer that occurs through the movement of fluids.

d)

The transfer of energy from one particle of matter to another within an object or between two objects that are in direct contact.

5.

Convection

a)

The transfer of energy by electromagnetic waves.

b)

A circular motion of air that causes wind and changes in weather

c)

A type of heat transfer that occurs through the movement of fluids.

d)

The transfer of energy from one particle of matter to another within an object or between two objects that are in direct contact.

6.

Convection Current

a)

A circular motion of air that causes wind and changes in weather

b)

The transfer of energy by electromagnetic waves.

c)

A type of heat transfer that occurs through the movement of fluids.

d)

The transfer of energy from one particle of matter to another within an object or between two objects that are in direct contact.

7.

Radiation

a)

A circular motion of air that causes wind and changes in weather

b)

The transfer of energy by electromagnetic waves.

c)

A type of heat transfer that occurs through the movement of fluids.

d)

The transfer of energy from one particle of matter to another within an object or between two objects that are in direct contact.

8.

Conductor

a)

Materials that do not conduct heat well.

b)

A material that conducts heat well,

c)

The amount of energy required to raise the temperature of 1 kilogram of a material by 1 kelvin.

d)

The expansion of matter when it is heated.

9.

Specific Heat

a)

Materials that do not conduct heat well.

b)

A material that conducts heat well,

c)

The amount of energy required to raise the temperature of 1 kilogram of a material by 1 kelvin.

d)

The expansion of matter when it is heated.

10.

Insulators

a)

Materials that do not conduct heat well.

b)

A material that conducts heat well,

c)

The amount of energy required to raise the temperature of 1 kilogram of a material by 1 kelvin.

d)

The expansion of matter when it is heated.

11.

Thermal Expansion

a)

Materials that do not conduct heat well.

b)

A material that conducts heat well,

c)

The amount of energy required to raise the temperature of 1 kilogram of a material by 1 kelvin.

d)

The expansion of matter when it is heated.

12.
Which material is the best conductor of heat?
a)
glass
b)
styrofoam
c)
metal
d)
wood
13.
Which activity for staying warm in a cold forest uses insulation?
a)
covering yourself with leaves
b)
getting out of wind by climbing to a higher spot
c)
sitting near water
d)
drinking a warm liquid
14.

What is the intended purpose of a camp fire?

a)

chemical and sound energy

b)

heat and light energy

c)

electrical and mechanical energy

d)

sound and magnetic energy

15.
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
16.
Heat moves easily through materials called ____
a)
Conductors
b)
Insulators
17.
We measure ______ with Celsius or Fahrenheit degrees.
a)
Temperature
b)
Thermometer
c)
Barometer
18.

Odessa rubs her hands together quickly; she notices they get warm. What type of energy is this?

a)

electrical energy

b)

light energy

c)

sound energy

d)

heat energy

19.

What is the BEST reason cooking pots are made out of the materials aluminum, copper, and sometimes glass?

a)

They are able to stop the flow of heat.

b)

They are good conductors of heat.

c)

They keep the same amount of heat.

d)

They are good insulators of heat.

20.
Which of the following is caused by heat energy?
a)
ice melting
b)
wet socks getting dry in a clothes dryer
c)
noodles cooking in a pot
d)
all of them are examples of heat energy
21.
TRUE or FALSE?  Frying pans made for cooking are made of metal because metals are good CONDUCTORS of heat energy.
a)
True
b)
False
22.
TRUE or FALSE?  The rubber handle on this spoon is an INSULATOR, which means heat energy travels through it very easily.
a)
True
b)
False
23.
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.
24.
What is heat?
a)
a basketball team
b)
thermal energy
c)
electricity
d)
light energy
25.

What is the intended purpose of a heat lamp at a fast food restaurant?

a)

To help staff see where the food is

b)

To let customers choose their food

c)

To use electricity

d)

To keep food warm

26.
Which form of energy is the intended purpose of a refrigerator?
a)
thermal energy
b)
mechanical energy
c)
light energy
d)
electrical energy
27.
What is the intended type of energy for this hair dryer?
a)
mechanical
b)
thermal
c)
electrical
d)
light 
28.
Which of the following technologies is NOT primarily a use of THERMAL energy?
a)
ceiling fan
b)
toaster
c)
stove
d)
microwave
29.
Which of the following has thermal energy as a BY PRODUCT of using the technology?
a)
computer
b)
grill
c)
refrigerator
d)
clothes dryer
30.
Why could a car that sits in the sun all day be hotter than the outside temperature?
a)
The car windows are tinted and reflected the heat.
b)
Light energy that was refracted by the windows can be transferred to heat energy.
c)
The pavement on the street is black and absorbs light and heat.
d)
The sun's radiation is more powerful inside a closed vehicle unless the windows are open.
31.

Energy is defined as

a)

power

b)

food

c)

ability to produce heat

d)

ability to do work or cause change

32.

Thermal energy is associated with

a)

kinetic and potential energy of particles

b)

position or shape

c)

chemical reactions

d)

chemical bonds

33.

The diagram above represents a thermometer. Which of the following best explains how the thermometer works?

a)

Liquid changes to a gas when heated.

b)

Gas changes to a liquid when heated.

c)

Liquids expand when heated and contract when cooled.

d)

Liquids contract when heated and expand when cooled.

34.

The three scales used to measure temperature are

a)

metric, American and wrong

b)

Celsius, Fahrenheit, and Calvin

c)

Celsius, Fahrenheit, and Kelvin

35.

This phase of matter has the most thermal energy

a)

gas

b)

liquid

c)

solid

36.

Heat always moves

a)

in convection currents

b)

by radiation

c)

from hot to cold

d)

from cold to hot

37.

Base your answer to the question on the diagram above, which shows insulated styrofoam cups of water connected by an aluminum bar. The thermometers show the temperatures of the cups A and B at the beginning of a heat flow experiment. Over the next 15 minutes, which changes would most likely occur?

a)

The temperature in cup A will decrease and the temperature in cup B will increase.

b)

The temperature in cup A will decrease and the temperature in cup B will decrease.

c)

The temperature in cup A will increase and the temperature in cup B will increase

d)

The temperature in cup A. will increase and the temperature in cup B will decrease.

38.

The reason the temperature in the cups in the experiment above changes is because aluminum is

a)

thermally expanding

b)

a conductor

c)

an insulator

d)

a nonmetal

39.

The diagram above shows a Bunsen burner heating a beaker of water on a beaker stand. The arrows represent the transfer of heat energy in the water. Which process is primarily responsible for the transfer of heat in the beaker as indicated by the arrows in the diagram?

a)

conduction

b)

radiation

c)

convection

d)

condensation

40.

Water’s specific heat is 4,180 and iron’s is 450. Which will heat up faster?

a)

water

b)

iron

c)

oil

d)

air

41.

The measure of the average kinetic energy of particles in an object is its

a)

temperature

b)

heat

c)

thermal energy

d)

hotness

42.

A material that allows heat to pass through it well, unlike wool, is called a

a)

insulator

b)

conductor

c)

metal

d)

thermal expander

43.

The energy needed to heat up 1kg of a substance by 1K, is its

a)

temperature

b)

heat

c)

specific heat

d)

thermal heat

44.

Temperature scale starting with absolute zero at 0 is the

a)

coldness scale

b)

Farenheit scale

c)

Celcius scale

d)

Kelvin scale

45.

When heat is passed on by direct contact of particles, this occurs

a)

conduction

b)

condensation

c)

convection

d)

radiation

46.

Transfer of energy by electromagnetic waves is called

a)

conduction

b)

convection

c)

radiation

d)

infrared proton rays (sounds cool, but I made it up so don't pick this one)

47.

The metric scale of temperature measurement that the world uses is

a)

Farenheit scale

b)

Celcius scale

c)

Kelvin scale

48.

A material that doesn’t allow heat to pass through it easily is a/an

a)

conductor

b)

insulator

c)

metal

d)

rock

49.

Movement that transfers heat in a fluid is called

a)

conduction

b)

convection

c)

radiation

d)

specific heat

50.

The movement of thermal energy from hot to cold is called

a)

temperature

b)

heat

c)

specific heat

d)

thermal energy

51.
Conduction is heat transfer by -
a)
Touch
b)
Circles
c)
Waves
52.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
53.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
54.
The sun warming your skin is an example of heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal electricity
55.
Radiation is a method of thermal energy transfer that moves -
a)
through empty space.
b)
when objects touch.
c)
only through solids.
d)
in the motion of fluids.
56.
Which of the following are kinds of heat transfer.
a)
Conduction
b)
Convection
c)
Radiation
d)
All of the above
57.
In what direction do hot liquids and gasses move?
a)
Side to Side
b)
Down
c)
Up
d)
Back and Forth
58.

What type of heat transfer takes place in liquids and gasses?

a)

Conduction

b)

Convection

c)

Radiation

d)

Thermal Equilibrium

59.
What type of heat transfer takes place in solids?
a)
Conduction
b)
Convection
c)
Radiation
60.
Which example below is an example of convection?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
61.
Which example below is an example of radiation?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
62.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
63.
What type of material makes the best insulators?
a)
Aluminum
b)
Copper
c)
Styrofoam
d)
Metal
64.
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
65.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
66.
If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?
a)
100 mL
b)
1000 mL
c)
They both heat up at the same speed
d)
They cool down.
67.

The specific heat is the amount of energy needed to raise the temperature of one gram of a substance by one degree Celsius.

a)

True

b)

False

68.
Water has a specific heat of 4184 J/KgºC.  Wood has a specific heat of 1760 J/KgºC.  What material needs more energy to raise the temperature 1ºC
a)
Wood
b)
Water
c)
Both are the same
69.

What is defined as a measure of the average kinetic energy of the particles in a sample of matter?

a)

Temperature

b)

Heat

c)

Specific Heat

d)

Mechanical Energy

70.

_____________ is the form of energy that is transferred between systems or objects with different temperatures.

a)

Temerature

b)

Heat

c)

Specific Heat

d)

Mechanical Energy

71.

Which of the following is not a method for heat transfer?

a)

Radiation

b)

Insulation

c)

Conduction

d)

Convection

72.

How does heat energy reach the Earth from the Sun

a)

Convection

b)

Radiation

c)

Conduction

d)

Insulation

73.

A lava lamp is an example of which type of heat transfer?

a)

Conduction

b)

Convection

c)

Radiation

74.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
75.

What is the definition of CONVECTION

a)

When heat transfers through waves.

b)

When heat transfers from objects that are touching.

c)

Heat transfer when a liquid or gas heats up, expands, becomes less dense and rises; or cools, becomes more dense, and sinks.

d)

Heat traveling from the sun

76.
Which of the following is an example of convection?
a)
A hair dryer is drying up your hair.
b)
When the AC or heater changes the temperature.
c)
When a car engine turns hot after being turned on.
d)
When you are making soup and the water is rising and lowering.
77.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
78.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
79.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
80.

_________________ is the transfer of energy through or by electromagnetic waves.

a)

Conduction

b)

Convection

c)

Radiation

81.
An insulator is a material that:
a)
Transfers thermal and electrical energy
b)
Transfers electrical energy and slows thermal energy
c)
Slows electrical energy and allows thermal energy to pass
d)
Slows thermal and electrical energy from transfering
82.
A great conductor of energy is:
a)
wood
b)
plastic
c)
metal
d)
cloth
83.
What is NOT an example of an insulator in the kitchen?
a)
An oven mitt
b)
Pots and pans
c)
A wooden spoon
d)
A plastic measuring cup
84.
Mittens help keep your hands warm in winter because:
a)
They are conductors of heat.
b)
They are fuzzy.
c)
They are conductors of electrical energy.
d)
They are insulators.
85.

What is occurring between points B and C on the heating curve above?

a)

Melting

b)

Freezing

c)

Boiling

d)

Condensing

86.

Why doesn't the temperature increase between points B and C, and points D and E on the heating curve above?

a)

Heat isn't being added.

b)

Heat is being removed.

c)

The added energy is being used to cause a phase change.

d)

Time has stopped.

87.
Describe the substance between letters D and E. 
a)
Gas
b)
Liquid
c)
Melting
d)
Evaporating
88.
Between which points is the temperature of the substance remaining constant?
a)
A-B only. 
b)
A-B, C-D, E-F
c)
B-C only. 
d)
B-C, D-E
89.

The melting point of the sample is

a)

-60 ºC

b)

-100 ºC

c)

60 ºC

d)

100 ºC

90.

Given the heating curve of a solid being heated at a constant rate, what is the boiling point of this substance?

a)

20°C

b)

50°C

c)

110°C

d)

170°C

91.

Given the heating curve of a solid being heated at a constant rate, how much total time was required to boil this substance after it reached its melting point?

a)

3 minutes

b)

4 minutes

c)

10 minutes

d)

14 minutes

92.

NaCl(s) was heated up starting at an initial temperature of 0°C. The heating curve is shown in the picture. What is the melting point of this substance?

a)

0°C

b)

801°C

c)

1000°C

d)

1465°C

93.

Given the heating curve of water, what is happening to potential and kinetic energy during segment CD?

a)

the potential energy and kinetic energy both increase

b)

the potential energy increases while the kinetic energy decreases

c)

the potential energy is constant while the kinetic energy increases

d)

the potential energy increases while the kinetic energy is constant

94.

Given the heating curve for water, during which line segment could I find water in both the solid and liquid phase at the same time?

a)

AB

b)

BC

c)

CD

d)

DE

e)

EF

95.
In which region(s) does temperature remain constant?
a)
Region 1, 3, & 5
b)
Region 2 & 4
c)
Region 1 only
d)
Region 1 & 2
96.
In which region(s) does temperature increase?
a)
Region 1, 3, & 5
b)
Region 2 & 4
c)
Region 1 only
d)
Region 1 & 2
97.

This curve indicates what about the heat energy?

a)

Heat energy is being added or absorbed

b)

Heat energy is being released

98.

In which region(s) of the graph would the substance be a liquid and a gas at the same time?

a)

Region 1

b)

Region 2

c)

Region 3

d)

Region 4

e)

Region 5

99.

In which region(s) of the graph would the substance be melting?

a)

No melting occurs on this graph

b)

Region C-E

c)

Region E-G

d)

Region G-I

e)

Region I-K

100.

What is the freezing point of the substance?

a)

0oC

b)

60oC

c)

120oC

d)

180oC

101.

From point A to point F, the sample is going through an __________ process by __________.

a)

exothermic, releasing heat to the surroundings

b)

exothermic, absorbing heat from the surroundings

c)

endothermic, releasing heat to the surroundings

d)

endothermic, absorbing heat from the surroundings

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