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Thermal Energy

Total questions: 50

Worksheet time: 41mins

Name
Class
Date
1.

Which type of heat transfer is shown?

a)

convection

b)

conduction

c)

radiation

d)

stir frying

2.

What type of heat transfer is shown here?

a)

convection

b)

conduction

c)

radiation

d)

sun shining

3.

Which type of heat transfer is shown?

a)

convection

b)

conduction

c)

radiation

d)

hot air balloon

4.

What type of heat transfer is shown here?

a)

convection

b)

conduction

c)

radiation

d)

boiling water

5.

If a door was left open between the bedroom (74 degrees) and the living room (68 degrees), what would likely happen to the temperatures after several hours?

a)

nothing, they would not change

b)

both rooms would become hotter 

c)

both room would become colder

d)

the bedroom temp. would lower and the living room temp. would rise

6.

After holding an ice pack against his skin for 20 minutes, the man notices the ice pack is melting. Why is this happening?

a)

radiation - the ice pack is now all melted

b)

conduction - body heat transferred to the cold ice pack

c)

convection - the water in the ice pack flowed in a circle pattern

d)

conduction - heat came from the bigger object to the smaller

7.

If this drink is sitting outside on a hot, sunny day, name two reason why the drink won't stay cold.

a)

radiation - from the sun is heating the glass

b)

conduction - the table beneath the glass is heating

c)

convection - the air is moving in a circle pattern around

d)

conduction - the straw is heating up

8.

If an insulator is doing it's job well, the temperature of an object over time should...

a)

rise slowly

b)

lower quickly

c)

show very little change

d)

rise quickly

9.
This is an example of a(n)
a)
conductor of heat
b)
insulator of heat
10.
Which material is the best conductor of heat?
a)
glass
b)
styrofoam
c)
metal
d)
wood
11.
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.
12.

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

13.

Kinetic Energy is the energy of _________

a)

thermal

b)

movement

c)

potential

d)

atoms

14.

Everything has thermal energy

a)

False

b)

True

15.

All matter is made up of atoms that are constantly moving

a)

True

b)

False

16.

Thermal energy is the __________ _________ energy of moving particles

a)

total potential

b)

average potential

c)

average kinetic

d)

total kinetic

17.

Temperature is the __________ _________ energy of moving particles

a)

average potential

b)

average kinetic

c)

total potential

d)

total kinetic

18.

Hot things have ____________ thermal energy than cold things

a)

more

b)

less

c)

same

d)

potato

19.

Objects with MORE MASS have______________

a)

lower potential energy

b)

lower number of atoms

c)

higher thermal energy

d)

higher temperature

20.

Temperature is a way we ____________ energy

a)

eat

b)

measure

c)

gain

d)

lose

21.

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

22.

Potential energy is the _________

a)

energy of movement

b)

same as kinetic energy

c)

stored energy inside of something

d)

potato

23.

For objects that have the SAME mass, which object will have a HIGHER thermal energy?

a)

the object with the higher temperature

b)

the object with the lower temperature

c)

the objects will have the same temperature

d)

the objects have no temperature

24.

Which will have the HIGHEST thermal energy?

a)

Hot cup of tea

b)

Cold bathtub water

c)

Huge lake

d)

Warm bowl of soup

25.

Which will have the LOWEST thermal energy?

a)

Large mug of hot coffee

b)

Baby bottle with warm milk

c)

Gatorade jug of cold Gatorade

d)

Large frozen puddle

26.
Conduction can only occur between two objects when –
a)
one object is less dense than the other.
b)
both objects are in physical contact with each other.
c)
one of the objects is made of a metal.
d)
both objects are exactly the same temperature.
27.
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.
28.
An example of a situation in which an egg is receiving thermal energy through convection -
a)
The egg is kept warm by its mother in the nest.
b)
An egg cracked on a hot sidewalk starts to cook.
c)
The egg is hard boiled in a pot of water.
d)
A metal pan on the stove fries the egg.
29.
Which of the following describes a way in which heat energy will be transferred by conduction?
a)
Sample 1 to Sample 2
b)
Sample 3 to Sample 2
c)
Sample 3 to Sample 1
d)
Sample 2 to Sample 3
30.
Which of the following sets of tools would be the MOST useful for measuring the transfer rate of thermal energy in four different liquids -
a)
Triple-beam balance, beakers, metric ruler
b)
Hot plate, beakers, thermometers
c)
Microscope, funnel, metric ruler
d)
pH meter, test tubes, forceps
31.
Where would energy transfer by conduction move downward, from a higher block to a lower block?
a)
Sample 2 to Sample 4
b)
Sample 1 to Sample 2
c)
Sample 3 to Sample 4
d)
Sample 1 to Sample 3
32.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
33.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
34.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
35.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
36.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
37.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
38.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
39.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
40.

"The ability to make things happen" is the definition of what word?

a)

motion

b)

energy

c)

friction

d)

matter

41.

The bike Dr. Jeff's mom is riding uses a generator to convert _____________ energy to ________________ energy, which is then used to charge BERT.

a)

solar, mechanical

b)

motion, electrical

c)

heat, steam

d)

hydro, electrical

42.

What does a solar cell do?

a)

it converts light into electrical energy

b)

it converts wind into electrical energy

c)

it transmits radio wave signals into space

d)

it converts water into solar energy

43.

Identify the energy transfer

a)

electrical to chemical to light

b)

kinetic to potential

c)

chemical to electrical to light

d)

light to sound

44.

Identify the energy transfer

a)

mechanical to sound

b)

chemical to electrical

c)

sound to mechanical

d)

thermal to sound

45.

Identify the energy transfer (photosynthesis)

a)

light to electrical

b)

solar to chemical

c)

chemical to thermal

d)

Apples to elephants

46.

Identify the energy transfer

a)

chemical to kinetic

b)

solar to electrical

c)

thermal to light

d)

electrical to light

47.

Identify the energy transfer

a)

mechanical to light

b)

chemical to kinetic

c)

electrical to mechanical

d)

kinetic to thermal

48.

Identify the energy transfer

a)

chemical to electrical to sound

b)

sound to electrical to chemical

c)

electrical to sound to chemical

d)

potential to kinetic to light

49.

Identify the energy transfer

a)

potential to chemical

b)

electrical to kinetic

c)

mechanical to sound

d)

chemical to thermal

50.

When you eat food, your body gains ___________ energy.

a)

electrical

b)

chemical

c)

thermal

d)

light

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