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Heat Transfer

Total questions: 26

Worksheet time: 3hrs 40mins

Name
Class
Date
1.

When you heat a pot on a stove, the handle gets warm. Which type of heat transfer is responsible?

a)

Conduction

b)

Radiation

c)

Convection

d)

All of the above

2.

Convection currents occur:

a)

Only in liquids

b)

When a dense substance is warmer than a less dense substance

c)

In both liquids and gases

d)

Weakly in solids

3.

Hot water rises and cold water sinks. Is this:

a)

Convection

b)

Conduction

c)

Radiation

4.

Stir frying vegetables is an example of

a)

Convection

b)

Conduction

c)

Radiation

5.

A hot air balloon rises because of

a)

Convection

b)

Conduction

c)

Radiation

6.

You feel the heat from a campfire

a)

Convection

b)

Conduction

c)

Radiation

7.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
8.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
9.
What happens when ice cubes melt in a glass?
a)
Heat travels from the ice to the warmer water.
b)
No energy is transferred.
c)
Heat is transferred from the warmer water to the ice cubes.
d)
The water warms up due to the humidity
10.
Transfer of thermal energy through "space"
a)
conduction
b)
convection
c)
radiation
11.
Why do we wear sweaters in cold weather?
a)
To keep cold out.
b)
To generate heat.
c)
To reduce heat loss.
d)
All of the above.
12.
Is iron a conductor or insulator?
a)
Conductor
b)
Insulator
13.
Which of the following is NOT an insulator?
a)
Wool
b)
Plastic
c)
Copper
d)
Styrofoam
14.
Is wood a conductor or insulator?
a)
Conductor
b)
Insulator
15.
What is NOT an example of an insulator in the kitchen?
a)
An oven mitt
b)
Pots and pans
c)
A wooden spoon
d)
A plastic measuring cup
16.
A great conductor of energy is:
a)
wood
b)
plastic
c)
metal
d)
cloth
17.
Conductors are materials that...
a)
Allow heat to pass through
b)
Stop heat from passing through
c)
Allow cold to pass through
d)
Stop cold from passing through
18.
All of the following are conductors except _______.
a)
metal spoon
b)
wire
c)
iron nail
d)
plastic spoon
19.
Gloves help keep your hands warm in winter because:
a)
They are conductors of heat.
b)
They are fuzzy.
c)
They are conductors of electrical energy.
d)
They are insulators.
20.
Thermal energy travels...
a)
Hot to cold
b)
Cold to hot
c)
Inside to outside
d)
Outside to inside
21.
An object that doesn't conduct heat well is known as:
a)
a conductor
b)
an insulator
22.

Thermal energy always moves from areas of ______ heat to areas of ______ heat.

a)

low -- high

b)

high -- low

c)

high -- high

d)

low -- low

23.

Copper wire is a good example of a _____________.

a)

Conductor

b)

Insulator

c)

Metal

d)

Thermometer

24.

This Styrofoam cup is a good example of a _________.

a)

Conductor

b)

Insulator

c)

Drinking device

d)

Solid

25.
True or False: A thermal conductor transfers heat well between two objects, and the heat does not stay in one place.
a)
True
b)
False
26.
True or False: An insulator is a type of material that allows heat to escape from an object quickly.
a)
True
b)
False