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WorksheetsThermal Transfer
Total questions: 28
Worksheet time: 20mins
Name
Class
Date
1.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
2.
Conduction is heat transfer by -
a)
Touch
b)
Circles
c)
Waves
3.
Convection is heat transfer by-
a)
Touch
b)
Circles
c)
Waves
4.
Radiation is heat transfer by-
a)
Touch
b)
Circles
c)
Waves
5.
In what direction do hot liquids and gasses move?
a)
Side to Side
b)
Down
c)
Up
d)
Back and Forth
6.
In what direction to cold liquids and gasses move?
a)
Side to Side
b)
Up
c)
Down
d)
Back and Forth
7.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
8.
What happens to particles as they cool down?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
9.
Which is more dense?
a)
Hot Liquid
b)
Cold Liquid
10.
What type of heat transfer takes place in liquids and gasses?
a)
Conduction
b)
Convection
c)
Radiation
d)
Thermal Equilibrium
11.
What type of heat transfer takes place in solids?
a)
Conduction
b)
Convection
c)
Radiation
12.
What type of heat transfer takes place through open space?
a)
Conduction
b)
Convection
c)
Radiation
13.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
14.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
15.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
16.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
17.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
18.
What type of material makes the best conductor?
a)
Food
b)
Wood
c)
Styrofoam
d)
Metal
19.
What type of material makes the best insulators?
a)
Aluminum
b)
Copper
c)
Styrofoam
d)
Metal
20.
Which example below is an example of conduction?
a)
Boiling macaroni
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
21.
Which example below is an example of convection?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
22.
Which example below is an example of radiation?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
23.
As you touch a hot stove the heat transfers -
a)
from your hand to the stove
b)
from the stove to your hand
c)
It doesn't transfer
24.
Hot objects begin to cool as-
a)
cooler air is transferred to the hot object.
b)
thermal energy in the object is transferred to the surrounding air.
c)
atoms in the object react with the oxygen in the air.
d)
thermal energy in the object cancels out energy in the air
25.
Convection could occur in which of the materials below?
a)
A block of wood
b)
The ocean
c)
A bowl of ice cream
d)
In space
26.
Which sentence explains why a cold metal spoon placed in a pot of boiling water becomes hot?
a)
Thermal energy is transferred from the spoon to the water.
b)
Thermal energy is transferred from the water to the spoon.
c)
Thermal energy in the water is transformed into kinetic energy in the spoon.
d)
Thermal energy in the spoon is transformed into kinetic energy in the water.
27.
What evidence demonstrates that convection currents are at work?
a)
Food coloring spreads throughout a glass when the water in the glass is stirred
b)
Smoke rises from a lighted candle wick
c)
The handle of a pan on a stove gets hot
d)
Your face feels warm sitting beside a fire
28.
Darth Vader is using a light saber. The light saber transfers heat through-
a)
Conduction
b)
Convection
c)
Radiation
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