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Unit 1 - Study Guide/LEAP PRACTICE

Total questions: 81

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

The Sun warms your skin on a cold day.

a)

Conduction

b)

Convection

c)

Radiation

2.

Hot chocolate is stirred with a spoon and the spoon gets hot.

a)

Conduction

b)

Convection

c)

Radiation

3.

Macaroni rises and falls in a pot of heated water.

a)

Conduction

b)

Convection

c)

Radiation

4.

You burn your hand by touching a hot stove.

a)

Conduction

b)

Convection

c)

Radiation

5.

Warming your feet in front of a fire.

a)

Conduction

b)

Convection

c)

Radiation

6.

Hot air balloon rises.

a)

Conduction

b)

Convection

c)

Radiation

7.

The air near the ceiling in a room is warmer than the air near the floor.

a)

Conduction

b)

Convection

c)

Radiation

8.

The sidewalk increases in temperature on a sunny day.

a)

Conduction

b)

Convection

c)

Radiation

9.

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.

10.

What is the definition of CONVECTION

a)

When heat transfers through waves.

b)

When heat transfers from objects that are touching.

c)

a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.

d)

Heat traveling from the sun

11.

Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 

a)

conduction

b)

convection

c)

radiation

12.

A group of friends gather around a fire to stay warm.

a)

conduction

b)

convection

c)

radiation

13.

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

a)

Hotter to colder

b)

Colder to hotter

c)

Hotter to hotter

d)

Colder to colder

14.

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of

a)

Convection

b)

Conduction

c)

Radiation

d)

insulation.

15.

When you use a microwave, what is the main way that heat is transferred?

a)

Convection

b)

Conduction

c)

Radiation

d)

insulation.

16.

Near the ceiling of a room the air is warmer. The warm air rises because of

a)

conduction

b)

convection

c)

radiation

17.

The condition where two substances in physical contact with each other exchange no heat energy. They are said to be the same temperature.

a)

Thermal Energy

b)

Cooler to Warmer

c)

Energy Transfer

d)

Thermal Equilibrium

18.

heat always travels from _____ to ______ objects

a)

hot to cold

b)

cold to hot

c)

cold to cold

d)

hot to hot

19.

Two objects have different temperatures. Object A has a temperature of 42 degrees and Object B is 37 degrees. Which direction should the energy transfer between Objects A and B?

a)

From Object A to Object B

b)

From Object B to Object A

c)

Energy will not transfer

d)

Energy will transfer both directions

20.

What happens to the temperature if I add ice cubes to a glass of soda

a)

The heat transfers from the coke to the ice

b)

The heat transfers from the ice to the coke

21.

You leave your cold spoon in a hot bowl of oatmeal. What happens after an hour?

a)

The temperature of both the oatmeal and the spoon stay the same

b)

The spoon and the oatmeal become the same temperature

c)

Only the temperature of the oatmeal will change

d)

Only the temperature of the spoon will change

22.

What are some examples of heat transfer?

a)

conduction

b)

convection

c)

radiation

d)

all of the above

23.

After taking a hot shower, James steps out of the shower onto the tile floor. The tile felt cold to his feet. Which explanation below best describes James' experience?

a)

Heat from his feet is transferred to the tile floor

b)

Heat from the tile floor is transferred to his feet

c)

Cold from the tile floor is transferred to his feet

d)

Cold from his feet is transferred to the tile floor

24.

The most common temperature scale used in the world where water freezes at 0 degrees and boils at 100 degrees is called the __________________ scale.

a)

Celsius

b)

Fahrenheit

c)

Pound

d)

Kelvin

25.

Heating will continue until what is reached?

a)

Energizers

b)

Equilibrium

c)

Equality

d)

Energy

26.

Temperature is a measure of the...

a)

total energy in a substance

b)

total kinetic energy in a substance

c)

average potential energy in a substance

d)

average kinetic energy of molecules in a substance

27.

High temperature is connected to:

a)

Low kinetic energy.

b)

High kinetic energy.

c)

Zero net energy.

d)

Equal kinetic energies.

28.

How does heat move?

a)

In many directions

b)

from warm places to cooler places

c)

from cold places to warm places

d)

Both B and C

29.

Energy from the Sun travels to Earth as

a)

Conduction

b)

Convection

c)

Insulation

d)

Radiation

30.

What causes hot and cold water to become the same temperature once they are combined?

a)

The heat moves from cooler temperature to warmer temperature.

b)

The energy of the hot water runs out.

c)

Heat (thermal) energy from the hot water is transferred to the cold water.

d)

Heat (thermal) energy causes the water to boil.

31.

What type of thermal energy transfer is number 1 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

32.

What type of thermal energy transfer is number 2 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

33.

What type of thermal energy transfer is number 3 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

34.

heat flows through

a)

conduction

b)

convection

c)

radiation

35.

You're holding hands with your best friend.  Your friend's hands are REALLY warm and yours are really cold.  After a few minutes, this has changed.  How might you explain what happened?

a)

The cold energy from your hand transferred to your friend's hand through conduction.

b)

The heat energy from your friend's hand transferred to your hand through conduction. 

c)

The cold energy from your hand transferred to your friend's hand through convection.

d)

The heat energy from your friend's hand transferred to your hand through convection.

36.

The diagram shows a metal sphere P at 80oC is immersed in a cooler liquid Q. Thermal equilibrium is reached when

a)

temperature of P = temperature of Q

b)

mass of Q displaced = mass of P

c)

volume of Q = volume of P

d)

specific heat capacity of P = specific heat capacity of Q

37.

What happens when the coffee and the cup are in thermal equilibrium?

a)

The temperature of the cup is increasing

b)

The temperature of the coffee is decreasing

c)

There is no net heat flow from the coffee to the cup

d)

There is a net flow from the coffee to the cup

38.

Diagram shows a spoon is placed in a bowl of soup at 95 °C. Which statement is correct when thermal equilibrium is reached?

a)

Temperature of soup is unchanged

b)

Temperature of spoon is unchanged

c)

No flow of heat between soup and spoon

d)

Soup and spoon has the same temperature

39.

Everything has thermal energy

a)

False

b)

True

40.

All matter is made up of atoms that are constantly moving

a)

True

b)

False

41.

Hot things have ____________ thermal energy than cold things

a)

more

b)

less

c)

same

d)

potato

42.

Objects with MORE MASS have______________

a)

lower potential energy

b)

lower number of atoms

c)

higher thermal energy

d)

higher temperature

43.

Cold things often have a _________ kinetic energy because_______

a)

lower; particles are moving around less

b)

lower; particles are moving around more

c)

higher; particles are moving around the same

d)

higher; particles do not move

44.

As temperature increases, molecules _____________

a)

move slower

b)

move the same

c)

move faster

d)

stop moving

45.

Matter that has its own shape and definite volume.

a)

solid

b)

liquid

c)

gas

d)

plasma

46.

Molecules are closest together in a 

a)

Solid

b)

Liquid

c)

Gas

d)

plasma

47.

Freezing

a)

Solid to gas

b)

Liquid to solid

c)

Gas to solid

d)

Liquid to gas

48.

Which state of matter has tightly packed molecules?

a)

solid

b)

liquid

c)

gas

d)

plasma

49.

Particles of a liquid

a)

are tightly packed together and stay in a fixed position.

b)

have no viscosity.

c)

decrease in volume with increasing temperature.

d)

are free to move around one another but still touch.

50.

Particles (molecules) in a ______________________ have more energy than the other states of matter.

a)

Solid

b)

Liquid

c)

Gas

d)

Ice Cube

51.
What is condensation?
a)
gas to solid
b)
gas to liquid
c)
liquid to solid 
d)
solid to liquid 
52.
If the tops were removed from the cylinders, the following would happen:
a)
The solid would fly out of the container
b)
The liquid would fly out of the container.
c)
The gas would fly out of the container.
d)
They ALL would fly out of the container.
53.
When enough energy is added to a liquid, it changes phase to a ___. 
a)
solid
b)
liquid
c)
gas
d)
Mr.C
54.
When a liquid loses enough energy it changes phase to a _____.
a)
solid
b)
liquid
c)
gas
d)
Mr.C
55.

What state of matter?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma!!!

56.

What state of matter?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

57.

What state of matter?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

58.

Which process could cause a material to change state from gas to liquid?

a)

Adding heat

b)

Adding energy

c)

Removing particles

d)

Removing energy

59.

When heating an object, we observe a temperature pause at 0° C and 100° C. The temperature will not change until all the ice has melted or all the liquid has evaporated. Why?

a)

Water is crazy like that.

b)

Space llamas.

c)

The heat energy provided is being used to break bonds instead of increase particle speed.

d)

The heat energy undergoes thermosynthesis.

60.

If I add heat to a solid, how will the motion of the particles be affected?

a)

They will move slower

b)

They will stop moving

c)

They will move faster

d)

They will move to a different container

61.

How can you stop the movement of particles?

a)

Increase the temperature

b)

Decrease the temperature

c)

You can't.

d)

Hold them still with your hands.

62.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
63.

What is evaporation?

a)

solid to a gas

b)

liquid to a gas

c)

solid to a liquid

d)

liquid to a solid

64.

What is melting?

a)

Solid to a gas

b)

Gas to a solid

c)

Liquid to a solid

d)

Solid to a liquid

65.

Removing energy from particles makes the particles

a)

move faster

b)

move slower

c)

stop moving all together

d)

remain the same

66.

The particles in a _____________ vibrate, are close together, and do not move freely.

a)

liquid

b)

gas

c)

solid

67.

Anything that has mass and takes up space is called

a)

mass

b)

volume

c)

matter

d)

solid

68.

Which of these three states represents a liquid?

a)

A

b)

B

c)

C

69.

In which state of matter are the particles least able to move?

a)

A

b)

B

c)

C

70.

State of matter with a definite shape and definite volume.

a)

solid

b)

liquid

c)

gas

71.

State of matter with a definite volume, but no definite shape.

a)

solid

b)

liquid

c)

gas

72.

State of matter with no definite shape and no definite volume.

a)

solid

b)

liquid

c)

gas

73.

Basic state of matter with the least amount of energy.

a)

solid

b)

liquid

c)

gas

74.

Basic state of matter with an intermediate (medium) amount of energy.

a)

solid

b)

liquid

c)

gas

75.

Basic state of matter with the greatest amount of energy.

a)

solid

b)

liquid

c)

gas

76.

What happens to particles when their temperature increases?

a)

The particles move slower

b)

The particles move faster

c)

The particles lose mass

d)

The particles gain mass

77.

When ice sits out on a counter and melts, it is because the ice has...

a)

gained mass

b)

gained energy

c)

lost mass

d)

lost energy

78.

When water sits in the freezer and freezes into ice, it is because the water has...

a)

gained mass

b)

gained energy

c)

lost mass

d)

lost energy

79.

The transfer of thermal energy from a warmer object to a cooler one is...

a)

Heat

b)

Volume

c)

Thermal Energy

d)

Temperature

80.

The energy of MOTION is...

a)

chemical energy

b)

radiant energy

c)

potential energy

d)

kinetic energy

81.

What holds a solid together in it's rigid shape?

a)

Thermal Energy

b)

The bonds between molecules

c)

Thermal Equilibrium

d)

Glue

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