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IPC: 2025 Fall Final Exam Review

Total questions: 72

Worksheet time: 3hrs 37mins

Name
Class
Date
1.
Energy can be created.
a)
True
b)
False
2.
Energy cannot be destroyed.
a)
True 
b)
False
3.
The Law of Conservation of Energy states:
a)
Energy can created or destroyed but not transformed 
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
4.
According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?
a)
The total amount of energy is conserved
b)
The total amount of energy is less after a reaction
c)
The total amount of energy is more after a reaction
5.

The Law of Conservation of Energy states:

a)

Energy can created or destroyed but not transformed

b)

Energy cannot be created or destroyed, it can only transformed from one form to another form

c)

Energy can't be created, destroyed or transformed

d)

All the above

6.

Energy can not be created nor destroyed.

a)

Newton's Laws of Motion

b)

Big Bang Theory

c)

The Law of Conservation of Momentum

d)

The Law of Conservation of Energy

7.
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.
8.

What type of heat transfer takes place when you touch a warm mug of hot chocolate?

a)

Radiation

b)

Convection

c)

Conduction

d)

None of the above

9.

Conduction requires

a)

Electricity

b)

the electromagnetic spectrum and particles

c)

air or water flow

d)

direct contact

10.

A group of friends gather around a fire to stay warm. This is an example of ________.

a)

conduction

b)

convection

c)

radiation

11.

The baby chickens kept warm by the heat lamps. This is an example of ________.

a)

conduction

b)

convection

c)

radiation

12.

You get sunburned due to __________ from the sun.

a)

conduction

b)

convection

c)

radiation

13.

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

a)

conduction

b)

convection

c)

radiation

14.
Which best describes the process of convection?
a)
Convection is the primary way  heat travels  through rays.
b)
Convection is the primary way heat travels  through metals.
c)
Convection is the primary way heat travels  through appliances.
d)
Convection is the primary way heat travels  through liquids and gasses.
15.

The type of heat transfer that creates currents in water is called ________.

a)

conduction

b)

convection

c)

radiation

16.

A huge rock at the state park gets so hot during the day because of ________.

a)

conduction

b)

convection

c)

radiation

17.

The heat transferred from the Sun to the Earth by waves is called ________.

a)

conduction

b)

radiation

c)

convection

18.

A pot is placed directly on a stove. The pot gets hot due to ________.

a)

conduction

b)

convection

c)

radiation

19.

What are the three types of heat transfer?

a)

Radaition, Conduction, Convection

b)

Radiation, Conductors, Sun

c)

Insulator, Radiation, Conuction

d)

Thermal Energy, Sun, Heat

e)

Radiation, Conduction, Convection

20.

Which of the following is a type of energy that travels as electromagnetic waves and releases heat to it's surroundings?

a)

Convection

b)

Radiators

c)

Radaition

d)

Radiation

21.

A pot is on a burning stove, what heat transfer is causing the handle to get hot?

a)

Conudction

b)

Convection

c)

Conduction

d)

Radiation

22.

Makai is boiling water in a pot on the stove. He wonders how all of the water in the pot gets hot even though only the bottom level of the water is near the heat source. What kind of heat transfer causes all of the water to get hot?

a)

Conduction

b)

Convectoin

c)

Convection

d)

Conuction

23.
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.
24.

What type of heat transfer takes place when you touch a warm mug of hot chocolate?

a)

Radiation

b)

Convection

c)

Conduction

d)

None of the above

25.

Conduction requires

a)

Electricity

b)

the electromagnetic spectrum and particles

c)

air or water flow

d)

direct contact

26.

If you walk barefoot on hot asphalt, energy is transferred by which process?

a)

Convection

b)

Radiation

c)

Conduction

d)

Reflection

27.
The transfer of heat energy by direct contact, or touch, is __________________?
a)
radiation
b)
convection
c)
conduction
d)
greenhouse effect
28.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
29.

A snowball in your hand is what heat transfer?

a)

Convection

b)

Conduction

c)

Law of Conservation of Energy

d)

Radiation

30.
Emily made a cup of tea and stirred it with a spoon. The spoon became warm, How was the heat from the tea transferred to the spoon?
a)
Convection
b)
Radiation
c)
Conduction
d)
Evaporation
31.
The transmission of energy by two objects touching is called
a)
conduction
b)
convection
c)
contraction
d)
radiation
32.

When energy increases, the speed of molecules ______.

a)

Increases

b)

Decreases

c)

Stay the same

33.

When molecules are heated, what happens to them?

a)

They speed up, becomes less dense, and rise

b)

They speed up, become more dense, and rise

c)

They slow down, become less dense, and sink

d)

They slow down, become more dense, and sink

34.

What happens to warmed molecules after they rise to the top?

a)

They cool down, become more dense, and sink

b)

They cool down, become more dense, and rise

c)

They warm up, become more dense, and rise

d)

They warm up, become less dense, and sink

35.

Objects that easily transfer heat (metals are good at this)

a)

Conductors

b)

Insulators

c)

Fluids

d)

Molecules

36.

Objects that do not allow heat to transfer easily through them (wood, plastic, fabrics)

a)

Conductors

b)

Insulators

c)

Molecules

d)

Fluids

37.

Which molecules have more energy?

a)

Cold

b)

Hot

38.

What is convection?

a)

Transfer of heat in a fluid through currents

b)

Transfer of heat through direct contact

c)

Transfer of heat through electromagnetic waves

39.

What two states of matter are considered fluids?

a)

Solids

b)

Liquids

c)

Gases

d)

Plasma

40.

The best place to cook a hot dog is above the fire. Why?

a)

Because heat rises

b)

Because heat sinks

c)

Because there are more molecules above it

d)

Because there is more room

41.

Conduction or Convection?

(a)  

42.

Lava lamps work because of what type of heat transfer?

a)

Conduction

b)

Convection

43.

Identify the example(s) of convection.

a)

Floating in a hot air balloon

b)

Lava lamps

c)

Heating a marshmallow over a fire

d)

Cooking a burger on the grill

44.

Match

a)
1.

radiation

b)
2.

radiation AND conduction

c)
3.

convection

45.

Match these heat transfers

a)
1.

Conduction

b)
2.

Convection

c)
3.

Radiation

46.

Scoopy McScooperson places a spoon in warm water for a few minutes. Then, he uses it to easily scoop out ice cream. This is because the warm spoon ​ ​ (a)   heat to the ice cream, melting it and making it easier to scoop.

Choose from the below words
conducts
radiates
conveys
47.

Select 4. Which of the following are examples of radiation?

a)

microwave

b)

sunlight

c)

fire

d)

touching a piece of hot metal

e)

x-ray

48.

Select 3: Which of these are examples of conduction?

a)

b)

warming a spoon makes it easier to dip

c)

steak on a hot pan

d)

sunlight feels warm

49.
Question Image

Match these

a)

Heat transfers through waves/rays

1.

Radiation

b)

Liquid (or air) heats up, speeds up and spreads out, becoming less dense. As it rises, it cools, slows, and comes back together. This increases density, making it sink again.

2.

Convection

c)

Heat transfers from objects that are touching.

3.

Conduction

50.
How is heat transferred when boiling a pot of water on the stove?
a)
conduction
b)
convection
c)
combustion
d)
radiation
51.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
52.

4,180 J of heat energy is added to change the water temperature by 10.0°C. How many grams of water are being heated?

C = 4.18

a)

4.18 g

b)

10,000 g

c)

174,724 g

d)

100 g

53.
What  is the formula to calculate heat energy required to raise the temperature of any substance?
a)

Q = m x c x ∆t

b)

Q = m x c

c)

Q = ½ m x v

d)

m = Q x C

54.

A 15.75-g piece of iron absorbs 1086.75 joules of heat energy and its temperature change is from 150°C. Calculate the specific heat capacity of iron.

a)

0.46 J/goC

b)

1.654 J/goC

c)

2.56 J/goC

55.

How many joules of heat are needed to raise the temperature of 10.0 g of aluminum 33 degrees, if the specific heat of aluminum is 0.903?

a)

298 Joules

b)

0.003 Joules

c)

297 J/g°C

d)

0.003 J/g°C

56.

The specific heat of aluminum is 0.9025. How much heat (Q) is released when a 10.0 g piece of aluminum foil is taken out of the oven and cools 50.0°C?

a)

451 J

b)

45.1 J

c)

400 J

57.

20.0 g of water changes the temperature by 5°C. The specific heat of water is 4.184. How much heat energy (Q) moves from the water to the surroundings?

a)

418 Joules

b)

209 J

c)

83 J

d)

4.18 J

58.

The specific heat (C) of copper is 0.38. What is the temperature change (∆t) when 100.0 Joules of heat (Q) is added to 20.0 grams?

a)

13 °C

b)

13.2°C

c)

13.16 °C

59.

A sample of iron receives 50 J of heat energy that raises the temperature of the iron 25.0°C. If the iron has a specific heat of  0.10, what is the mass of the iron sample?

a)
25 g
b)
30 g
c)
20 g
d)
50 g
60.

The temperature of an unknown piece of metal with a mass of 30.00 g changes by 10°C when the metal absorbs 350.0 J of energy. What is the specific heat of the metal?

a)
1.17 J/g°C
b)
-1.17 J/g°C
c)
0.857 J/g°C
d)
-0.857 J/g°C
61.

4,180 J of heat energy is added to change the water temperature by 10.0°C. How many grams of water are being heated?

C = 4.18

a)

4.18 g

b)

10,000 g

c)

174,724 g

d)

100 g

62.

A 15.75-g piece of iron absorbs 1086.75 joules of heat energy and its temperature change is from 150°C. Calculate the specific heat capacity of iron.

a)

0.46 J/goC

b)

1.654 J/goC

c)

2.56 J/goC

63.

How many joules of heat are needed to raise the temperature of 10.0 g of aluminum 33 degrees, if the specific heat of aluminum is 0.903?

a)

298 Joules

b)

0.003 Joules

c)

297 J/g°C

d)

0.003 J/g°C

64.

The specific heat of aluminum is 0.9025. How much heat (Q) is released when a 10.0 g piece of aluminum foil is taken out of the oven and cools 50.0°C?

a)

451 J

b)

45.1 J

c)

400 J

65.

20.0 g of water changes the temperature by 5°C. The specific heat of water is 4.184. How much heat energy (Q) moves from the water to the surroundings?

a)

418 Joules

b)

209 J

c)

83 J

d)

4.18 J

66.

The specific heat (C) of copper is 0.38. What is the temperature change (∆t) when 100.0 Joules of heat (Q) is added to 20.0 grams?

a)

13 °C

b)

13.2°C

c)

13.16 °C

67.

A sample of iron receives 50 J of heat energy that raises the temperature of the iron 25.0°C. If the iron has a specific heat of  0.10, what is the mass of the iron sample?

a)
25 g
b)
30 g
c)
20 g
d)
50 g
68.

The temperature of an unknown piece of metal with a mass of 30.00 g changes by 10°C when the metal absorbs 350.0 J of energy. What is the specific heat of the metal?

a)
1.17 J/g°C
b)
-1.17 J/g°C
c)
0.857 J/g°C
d)
-0.857 J/g°C
69.

20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?

a)

-418 J

b)

-209 J

c)

-83 J

d)

-4.18 J

70.

How many Joules of energy are required to change 10 gram of water from 20 C to 90 C? C = 4.18

a)
1476 J
b)
2926 J
c)
210,050 J
d)
1,404,500 J
71.
The temperature of an unknown piece of metal with a mass of 30.00 g changes from 25.0 °C to 35.0 °C when the metal absorbs 350.0 J of energy. What is the specific heat of the metal?
a)
1.17 J/g°C
b)
-1.17 J/g°C
c)
0.857 J/g°C
d)
-0.857 J/g°C
72.

A pot of 2,400g of water at a temperature of 25˚C is heated on a stove until the water boils at 100˚C.  The specific heat of water is 4.18 J/(g˚C).
Determine the heat energy needed to heat the water in the pot to a boil.

a)
133.76J
b)
43,062.2J
c)
752,400J
d)
1,003,200J

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