WorksheetsHW: Heat Transfer
Total questions: 30
Worksheet time: 1hrs 9mins
Name
Class
Date
1.
How many kinds of heat transfer are there?
a)
1
b)
2
c)
3
d)
4 or more
2.
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
a)
Hotter to colder
b)
Colder to hotter
c)
Hotter to hotter
d)
Colder to colder
3.
The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
4.
The kind of heat transfer that travels through space in electromagnetic waves is ______________________.
a)
insulation.
b)
Radiation
c)
Conduction
d)
Convection
5.
___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
6.
Which statement is true?
a)
The quicker a molecule moves, the colder it is.
b)
The slower a molecule moves, the warmer it is.
c)
The quicker a molecule moves, the warmer it is
d)
The movement of molecules don't affect temperature
7.
When you use a microwave, what is the main way that heat is transferred?
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
8.
The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
9.
Which of the following is the best example of conduction?
a)
A light bulb warming a lampshade
b)
An egg cooking in a frying pan
c)
Water boiling in a pot
d)
Gases circulating in the atmosphere
10.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
11.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
12.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
13.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
14.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
15.
You get sunburned due to __________ from the sun.
a)
conduction
b)
convection
c)
radiation
16.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
17.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
18.
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
19.
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.
20.
Near the ceiling of a room the air is warmer; the warm air rises because of
a)
conduction
b)
convection
c)
radiation
21.
What is a example of a conductor?
a)
wood
b)
metal
c)
rubber
d)
rock
22.
What is a example of a insulator?
a)
metal
b)
rubber
c)
water
23.
a)
conductor
b)
insulator
24.
a)
conductor
b)
insulator
25.
Material that allow heat and electricity to pass through them easily are called _________
a)
Conductors
b)
Insulators
c)
D-cell
26.
Material that do not allow heat and electricity to pass through them easily are called _________
a)
Conductors
b)
Insulators
c)
D-Cell
27.
Styrofoam Cup
a)
conductor
b)
insulator
28.
Coat
a)
conductor
b)
insulator
29.
Water
a)
insulator
b)
conductor
30.
a)
conductor
b)
insulator
100 %
