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Thermal Energy

Total questions: 71

Worksheet time: 3hrs 7mins

Name
Class
Date
1.
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
2.
Which form of energy causes water to boil?
a)
sound energy
b)
mechanical energy
c)
thermal energy
d)
light energy
3.
Which change is happening to the water?
a)
it is changing from a liquid to a gas
b)
it is changing from a liquid to a solid
c)
it is changing from a solid to a gas
d)
it is changing from a gas to a liquid
4.
Thermal energy and temperature are the same.
a)
True
b)
False
5.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
6.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
7.

___________________ is the measure of the average kinetic energy of particles.

a)

A thermometer

b)

Expansion

c)

Farenheit

d)

Temperature

8.
What is the solid form of water called?
a)
Ice
b)
Rain
c)
Lake
d)
Water Vapor
9.
What are the three states of matter?
a)
solid, volume, mass
b)
density, volume, mass
c)
solid, liquid, gas
d)
density, gas, volume
10.

What is happening in this picture of this lake freezing?

a)

Molecules are speeding up

b)

Molecules are slowing down

11.

The diagram representing space and speed of these molecules matches which state of matter?

a)

Solid

b)

Liquid

c)

Gas

12.

The diagram representing space and speed of these molecules matches which state of matter?

a)

Solid

b)

Liquid

c)

Gas

13.

The diagram representing space and speed of these molecules matches which state of matter?

a)

Solid

b)

Liquid

c)

Gas

14.

Which phrase describes particle movement in a solid?

a)

Particles can slip past one another

b)

Particles move independently from one another

c)

Particles vibrate within fixed positions

15.

Which phrase describes particle movement in a liquid?

a)

Particles move independently from one another

b)

Particles can slip past one another

c)

Particles vibrate within fixed positions

16.

Which phrase describes particle movement in a gas?

a)

Particles vibrate within fixed positions

b)

Particles can slip past one another

c)

Particles move independently from one another

17.

When pressure is added to a substance what happens to the particles?

a)

They get closer together

b)

They do not move

c)

The y get further apart

18.

Which two changes of state can result from added pressure?

a)

liquid to gas AND liquid to solid

b)

gas to liquid AND liquid to solid

c)

gas to liquid AND solid to liquid

d)

liquid to gas AND solid to liquid

19.

Melting point is the temperature at which a substance changes from

a)

liquid to gas

b)

solid to liquid

c)

liquid to solid

d)

gas to liquid

20.

Boiling point is the temperature at which a substance changes from

a)

gas to liquid

b)

solid to liquid

c)

liquid to solid

d)

liquid to gas

21.
Which process does the diagram show?
a)
freezing
b)
boiling
c)
evaporation
d)
melting
22.
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
23.

Matter will change from one state to another if thermal energy is _______.

a)

released

b)

absorbed

c)

all of the above

24.
What do you call the temperature at which a substance changes from a liquid to a solid?
a)
Melting Point
b)
Boiling Point
c)
Freezing Point
d)
Solid Point
25.
Thermal energy keeps moving away from warmer objects to cooler objects until both are the same temperature.
a)
True
b)
False
26.
The movement of thermal energy from a warmer object to a cooler object is called:
a)
heat
b)
temperature
c)
motion
d)
momentum
27.
Heat transfer occurs:
a)
in many directions
b)
both from warm objects to colder ones and from cold objects to warmer ones
c)
only from warm objects to colder ones
d)
only from cold objects to warmer ones
28.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

29.
Analyze the data in the table. 
a)
   A.  All substances have the same melting points and boiling points.     
b)
some substances take longer to melt and boil.
c)
aluminum melts faster than water
d)
all substances do not have the same melting points and boiling points
30.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
31.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
32.
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.
33.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
34.

Which Pictures represents particles in a gas?

Answer choices: 1, 2, 3

(a)  

35.

Which scenario would particles be moving the fastest?

a)

a bottle of water with a temperature of 70 degrees

b)

a pot of boiling water with a temperature of 200 degrees

c)

a glass of water with a temperature of 60 degrees

d)

a swimming pool with a temperature of 75 degrees

36.
Which of the following statements is NOT true of all different types of matter?
a)
They are made of atoms and molecules
b)
The particles are always in motion
c)
The particles always move at the same speed
d)
They are made of particles that are too small to see
37.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
38.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
39.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
40.
Hot coffee is stirred with a spoon; the spoon gets hot due to
a)
conduction
b)
convection
c)
radiation
41.

The energy from the vibration and motion of particles.

a)

chemical

b)

potential

c)

thermal

d)

interesting

42.

Energy in motion is ____________ energy.

a)

Potential

b)

Energy

c)

Kinetic

d)

Friction

43.

Which phrase describes particle movement in a solid?

a)

Particles can slip past one another

b)

Particles move independently from one another

c)

Particles vibrate within fixed positions

44.

Which phrase describes particle movement in a liquid?

a)

Particles move independently from one another

b)

Particles can slip past one another

c)

Particles vibrate within fixed positions

45.

Which phrase describes particle movement in a gas?

a)

Particles vibrate within fixed positions

b)

Particles can slip past one another

c)

Particles move independently from one another

46.

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)

low to low

47.

The sidewalk burns your bare feet in the summer time is an example of

a)

Conduction

b)

Convection

c)

Radiation

d)

Plasma

48.

When molecules of a liquid or gas are heated up, they will

a)

move slower and less

b)

move faster and more

c)

remain in the same state

d)

become solid

49.
How do molecules at warm temperatures differ from molecules at cool temperatures? 
a)
a.  At warm temperatures, molecules move around more
b)
b.  At warm temperatures, molecules grow in siz
c)
c.  At warm temperatures, molecules exchange electrons more easil
d)
d.  At warm temperatures, molecules combine with each other more easil
50.

Hector is standing in a closed room with a balloon filled with helium gas. If Hector pops this balloon, what will happen to the molecules in the helium gas?

a)

They will condense into a cloud around Hector.

b)

They will fall to the floor as a structured solid.

c)

They will expand and flow through the room

d)

They will flow to the floor and form a puddle.

51.

In which state of matter will there be the LARGEST space between molecules?

a)

Solid

b)

Liquid

c)

Gas

52.

If particles are locked in place the substance is in a phase we call _____.

a)

solid

b)

liquid

c)

gas

53.

If particles are not locked in place and can slide past each other the substance is in a phase we call ____.

a)

solid

b)

liquid

c)

gas

54.

When you heat a sample of a solid, the particles that make up the solid

a)

get bigger

b)

lose mass

c)

move faster

d)

slow down

55.

When you heat a sample of gas, what happens to the particles that make up the gas?

a)

The particles move faster

b)

The particles break apart

c)

The particles get smaller

d)

The particles become more dense

56.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
57.

Which statement is true?

a)

The quicker a molecule moves, the colder it is.

b)

The quicker a molecule moves, the warmer it is

c)

The slower a molecule moves, the warmer it is.

d)

The movement on molecule don�t affect its temperature

58.

Two objects at different temperatures are in contact. Which of the following happens to their thermal energy?

a)

Their thermal energies remain the same.

b)

Thermal energy passes from the cooler object to the warmer object

c)

Thermal energy passes from the warmer object to the cooler object.

d)

Thermal energy passes back and forth equally between the two objects.

59.

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.

60.

Heat is the movement of ______.

a)

radiation

b)

thermal energy

c)

cold

d)

fire

61.

As the kinetic energy of the molecules in a substance increases, the temperature of the substance __________.

a)

increases

b)

decreases

c)

Nothing happens

62.

The measure of average kinetic energy of all the particles within an object is called ____________. 

a)

temperature

b)

radiation

c)

conduction

d)

heat 

63.

Which direction is heat flowing in the picture?

a)

heat is not being transferred

b)

there is no way to tell

c)

from the ice to the hand

d)

from the hand to the ice

64.

What tool do we use to measure temperature?

a)

Thermometer

b)

Ruler

c)

Balance

d)

Magnifying Glass

65.

Why is there more thermal energy in an iceberg than in a pot of boiling water?

a)

The pot insulates the heated molecules

b)

Most icebergs are fairly warm to the touch

c)

Icebergs contain many more molecules than pots of water

d)

Water does not hold heat very well

66.

___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.

a)

Convection

b)

Conduction

c)

Radiation

d)

insulation.

67.
1. In which state of matter are molecules moving the slowest?
a)
A. solid
b)
B. liquid
c)
C. gas
d)
D. semifluid
68.
2. In a solid, what happens to the atoms?
a)
A. They move freely.
b)
B. They are widely spaced.
c)
C. They vibrate in position but do not change relative locations.
d)
D. They become gaseous.
69.
3. Which of the following causes a solid to change to a liquid?
a)
A. Heat
b)
B. the freezing point
c)
C. cold
d)
D. condensation
70.
18. Which of the following statements is true about temperature and kinetic energy?
a)
A. As temperature increases, kinetic energy decreases.
b)
B. As temperature increases, kinetic energy remains constant.
c)
C. As temperature increases, kinetic energy increases.
d)
D. Temperature and kinetic energy are not related.
71.
24. What happens to the kinetic energy of particles in a gas when the temperature of the gas increases?
a)
A. It decreases.
b)
B. It remains the same.
c)
C. It increases.
d)
D. It becomes zero.

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