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Energy

Total questions: 70

Worksheet time: 4hrs 30mins

Name
Class
Date
1.

This type of thermal energy transfer can take place in solids, liquids, & gases when two objects are touching.

a)

conduction

b)

convection

c)

radiation

2.

This type of thermal energy transfer can take place in gases only.

a)

conduction

b)

convection

c)

radiation

3.

This type of thermal energy transfer can take place in fluids (liquids & gases). Rising of warmer fluid and sinking of cooler fluid forms a current.

a)

conduction

b)

convection

c)

radiation

4.

The thermal energy transfer being shown in this image is...

a)

conduction

b)

convection

c)

radiation

5.

The thermal energy transfer being shown in this image is...

a)

conduction

b)

convection

c)

radiation

6.

The thermal energy transfer being shown in this image is...

a)

conduction

b)

convection

c)

radiation

7.

Which of the boxes in the image are at thermal equilibrium? Choose all that apply.

a)

A

b)

B

c)

C

d)

D

8.

Which of the boxes shows the correct direction of heat transfer? Choose all that apply.

a)

A

b)

B

c)

C

d)

D

9.

If you added ice (0oC) to a glass of water (15oC) how would the heat move between the ice & water?

a)

from the ice to the water

b)

from the water to the ice

10.

If you added a can of Coke (20oC) to a fridge (5oC), at what temperature would heat stop moving?

a)

when the coke is at 10 degrees and the fridge is at 5 degrees.

b)

When the coke is at at 6 degrees and the fridge is at 6 degrees

c)

When the coke is at at 5 degrees and the fridge is at 15 degrees

d)

When the coke is at at 20 degrees and the fridge is at 5 degrees

11.

What is Thermal Energy?

4 lines
12.

What are the different energy transformations that happen in a mouse trap?

4 lines
13.

What happens to the particles in a substance as heat/energy is added or taken away?

a)

They speed up or slow down.

b)

They stay the same.

14.

What do solids have that gases do not?

a)

Shape

b)

More heat/energy

c)

Volume

d)

Less heat/energy

15.

Even though they both are at the same temperature, which one has more thermal energy? The tea pot or the tea cup?

4 lines
16.

What are insulators and what are conductors?

4 lines
17.

Check all that would make a good conductor.

a)

Steel

b)

Winter jacket

c)

Water

d)

Aluminum

e)

Glass

18.

Transfer of thermal energy by means of currents in fluids is termed as

a)

Conduction

b)

Convection

c)

Radiation

d)

Convection and Radiation

19.

Cooking utensils are a good example of

a)

Conduction

b)

Convection

c)

Radiation

d)

Conduction and Radiation

20.

Soldering iron rod is made up of iron because iron is a

a)

good conductor of heat

b)

bad conductor of heat

c)

good insulator of heat

d)

good conductor of electricity

21.

Engine fins are a bad example of

a)

Conduction

b)

Convection

c)

Radiaton

d)

Radiation and Conduction

22.

Process in which thermal energy is transferred without any flow of medium is termed as

a)

Conduction

b)

Convection

c)

Radiation

d)

Radiation and Convection

23.

Poor conductors of heat and electricity are termed as

a)

Electrolytes

b)

Consumers

c)

Insulators

d)

Conductors

24.

Process in which thermal energy is transferred by emission of electromagnetic wave is termed as ....

a)

Conduction

b)

Convection

c)

Radiation

d)

Conduction and Convection

25.

the amount of thermal energy required to raise the temperature of a substance by 1 K (or 1°C) is termed as

a)

Heat Capacity

b)

Specific Heat Capacity

c)

Latent Heat

d)

Specific Latent Heat

26.

The amount of thermal energy required to raise the temperature of a unit mass (e.g 1 kg) of substance by 1 K (or 1°C)

a)

Heat Capacity

b)

Specific Heat Capacity

c)

Latent Heat

d)

Specific Latent Heat

27.

Look at the picture. Which is true statement based on iformtion above?

a)

Gold's specific heat capacity is bigger than water's soecific heat capacity

b)

Gold's specific heat capacity is smaller than water's soecific heat capacity

c)

Gold's specific latent heat is bigger than water's soecific heat capacity

d)

Gold's specific latent heat is smaller than water's soecific heat capacity

28.

look at the picture. Which is information is true based on the information above?

a)

Gold's specific heat capacity is bigger than alumunium's specific heat capacity

b)

Gold's specific heat capacity is smaller than alumunium's specific heat capacity

c)

Gold's specific latent heat is bigger than alumunium's specific latent heat

d)

Gold's specific latent heat is smaller than alumunium's specific heat capacity

29.

Specific latent heat of fusion is

a)

the amount of heat required to raise the temperature of a 1 kg of a substance by 1 K

b)

the amount of heat required to change the phase of a substance from solid to liquid without any change in temperature

c)

the amount of heat required to change the phase of a 1 kg of substance from liquid to gas without any change in temperature

d)

the amount of heat required to change the phase of a 1 kg of substance from solid to liquid without any change in temperature

30.

Latent heat of fusion is

a)

the amount of heat required to change the phase of a 1 kg of substance from liquid to gas without any change in temperature

b)

the amount of heat required to change the phase of a substance from solid to liquid without any change in temperature

c)

the amount of heat required to change the phase of a 1 kg of substance from solid to liquid without any change in temperature

d)

the amount of heat required to raise the temperature of a 1 kg of a substance by 1 K

31.

Latent heat of vaporization is

a)

the amount of heat required to raise the temperature of a 1 kg of a substance by 1 K

b)

the amount of heat required to change the phase of a substance from solid to liquid without any change in temperature

c)

the amount of heat required to raise the temperature of a substance by 1 K

d)

the amount of heat required to change the phase of a substance from liquid to gas without any change in temperature

32.

If specific latent heat of fusion of ice is 340000 J ⁄ kg, the heat required to melt the ice of 100 g would be

a)

34 J

b)

340 J

c)

3400 J

d)

34000 J

33.

Calculate the energy require to heat 100 g of mercury from 37.0 C to 42.0 C. Specific heat of mercury is 0.14 J/g C.

a)

7 J

b)

70 J

c)

700 J

d)

7000 J

34.

If 90 J of heat are applied to 10 g of iron, by how much will the temperature of the iron increase? The specific heat of iron is 0.45 J/g C.

a)

10 C

b)

12 C

c)

15 C

d)

20 C

35.

A 2 kg metal cylinder is supplied with 1600J of energy to heat it from 5°C to 13°C. What is the specific heat capacity of the metal?

a)

100 J/kgC

b)

150 J/kgC

c)

200 J/kgC

d)

250 J/kgC

36.

Look at the picture. The graph is the result of observation of performance 1 kg of beeswax phase change material. The specific heat capacity beeswax at solid phase is 2100 J/kg C. Specific latent heat of fusion beeswax is 250000 J/kg. Specific heat capacity beeswax at liquid phase is 3500 J/kg C. Which is the FALSE statement?

a)

Melting point of beeswax is 400C

b)

to heat beeswax at solid phase from 200C to 400C is required 42 kJ of heat

c)

to melt beeswax from solid to liquid is required 250 kJ of heat

d)

to heat beeswax at liquid phase from 400C to 600C is required 75 kJ of heat

37.

Liquid ammonia is a common refrigerant because it absorbs so much heat energy when it turns from the liquid to a gas. The specific latent heat of vaporization of liquid ammonia is 1400 J/g. Calculate the heat needed to turn 500 grams of liquid ammonia at its boiling point to ammonia gas at the constant temperature!

a)

700 J

b)

7000 J

c)

70000 J

d)

700000 J

38.

Heat always travels from...

a)

Warm to cool

b)

Cool to warm

c)

Warm to warm

d)

Cool to cool

39.

A hot air balloon rising is an example of ...

a)

conduction

b)

convection

c)

radiation

d)

connection

40.

A snowman melting in the sun

a)

convection

b)

conduction

c)

radiation

d)

connection

41.

Eggs cooking in a frying pan

a)

convection

b)

conduction

c)

radiation

d)

connection

42.

Heating a kettle on a hot stove (burner)

a)

convection

b)

conduction

c)

radiation

d)

connection

43.

A stove top will cook your food because of ___________.

a)

convection

b)

conduction

c)

radiation

d)

connection

44.

A blow dryer uses __________ to dry your hair.

a)

convection

b)

conduction

c)

radiation

d)

connection

45.

Thermal energy that is transferred from one substance to another.

a)

heat

b)

temperature

c)

thermal energy

d)

radiation

46.

Warming up near a campfire is an example of ...

a)

conduction

b)

convection

c)

radiation

d)

connection

47.

At what point does the biker have the greatest Kinetic Energy?

a)

Point A

b)

Point B

c)

Point C

d)

Point D

48.

At what point does the biker have the greatest Potential Energy?

a)

Point A

b)

Point B

c)

Point C

d)

Point D

49.

At what point does Potential Energy transform into Kinetic Energy?

a)

Point A

b)

Point B

c)

Point C

d)

Point D

50.

Which Apple has the greatest Gravitational Potential Energy?

a)

Apple A

b)

Apple B

c)

Apple C

d)

Apple D

51.

Which Apple has the greatest Gravitational Potential Energy?

a)

The object with a mass of 3kg because its mass is less.

b)

The object with a mass of 50kg because its mass is greater.

c)

Both objects because they are at the same height.

d)

Neither of the objects because they are at the same height.

52.

What type of energy is transformed in the Energy Conversion shown in the image below?

a)

Nuclear Energy

b)

Chemical Energy

c)

Thermal Energy

d)

Electrical Energy

53.

What is the Energy Conversion that is shown in the image?

a)

Radiant to Thermal

b)

Thermal to Chemical

c)

Chemical to Radiant

d)

Radiant to Chemical

54.

What is the Energy Conversion that is shown in the image?

a)

Chemical to Mechanical

b)

Thermal to Chemical

c)

Chemical to Thermal

d)

Mechanical to Chemical

55.

Which of the following is an example of a Thermal Conductor?

a)

Plastic

b)

Styrofoam

c)

Wood

d)

Copper

56.

Which of the following is an example of a Thermal Insulator?

a)

Iron

b)

Aluminum

c)

Wood

d)

Copper

57.

Energy is ...

a)

Push or pull

b)

Something that can not move

c)

Ability to do work

d)

Motion

58.

One of source of energy below is ...

a)

light energy

b)

heat energy

c)

chemical energy

d)

sun

59.

Look at to the picture. The source energy of the picture above is ...

a)

heat energy

b)

electricity

c)

light energy

d)

battery

60.

The source of energy based on the picture above is ...

a)

battery

b)

electricity

c)

fuel

d)

sun

61.

The energy possessed by a moving object is called ….

a)

potential energy

b)

kinetic energy

c)

chemical energy

d)

electrical energy

62.

Heat transfer without the movement of particles is called ...

a)

conduction

b)

convection

c)

radiation

d)

insulator

63.

A kind of heat transfer based on the picture above is ...

a)

conduction

b)

convection

c)

radiation

d)

conductor

64.

An example of conductor is ...

a)

wood

b)

fabric

c)

iron

d)

plastic

65.

Energy produced from the tool above is ...

a)

sound energy

b)

gravitational energy

c)

heat energy

d)

kinetic energy

66.

The thing below that can produce heat energy is ...

a)
b)
c)
d)
67.

One of kind heat transfer based on the picture above is ...

a)

conduction

b)

convection

c)

radiation

d)

chemical

68.

The energy that is the result of an electric charge is called ...

a)

heat energy

b)

electrical energy

c)

light energy

d)

sound energy

69.

Energy change of the thing above is from ... to ...

a)

electrical to heat

b)

electrical to light and chemical

c)

chemical to light and sound

d)

chemical to electrical

70.

The thing below that can not produce light energy is ...

a)
b)
c)
d)

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