WorksheetsHeat
Total questions: 31
Worksheet time: 24mins
Name
Class
Date
1.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
2.
What is the definition of CONVECTION
a)
When heat transfers through waves.
b)
When heat transfers from objects that are touching.
c)
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
d)
Heat traveling from the sun
3.
What heat transfer happens when you burn your hand by touching a fire?
a)
Radiation
b)
Conduction
c)
Convectio
d)
I don't know!!!!!!!!!!!
4.
When a pot is touching a stove that is on, what heat transfer is happening?
a)
I don't know??????
b)
Radiation
c)
Conduction
d)
Convection
5.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
6.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
7.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high.
8.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
9.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
a)
conduction
b)
convection
c)
radiation
d)
Insolation
10.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
11.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
12.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
13.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
14.
A huge rock at the state park gets so hot during the day because of
a)
conduction
b)
convection
c)
radiation
15.
You get sunburned due to __________ from the sun.
a)
conduction
b)
convection
c)
radiation
16.
The cause of weather systems on earth is
a)
conduction
b)
convection
c)
radiation
17.
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 on molecule don�t affect its temperature
18.
Students in a science class performed an experiment with hot and cold water. They dyed the hot water red and the cold water blue. When the students layered the water, they noticed that the hot water rose to the top and the cold water sank. What was this demonstrating?
a)
Radiation
b)
Air Pressure
c)
Evaporation
d)
Density
19.
When you use a microwave, what is the main way that heat is transferred?
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
20.
A large house being heated by heater warms a house when the air is circulating.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
21.
Which situation best represents convection?
a)
Heat from a campfire
b)
A hot air balloon taking off
c)
Touching a hot piece of metal
d)
Getting sunburned
22.
When particles are heated they gain...
a)
chemical energy
b)
electrical energy
c)
kinetic energy
23.
Particles in a solid are...
a)
close together
b)
far apart
24.
Conduction occurs in...
a)
solids
b)
liquids
c)
gases
25.
Mittens 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.
26.
What is the difference between a conductor and an insulator?
a)
An insulator allows electricity to flow through it easily and a conductor does not
b)
A conductor allows electricity to flow through it easily and an insulator does not.
c)
An insulator is magnetic and a conductor is not
d)
A conductor is magnetic and an insulator is not
27.
When objects are rubbed together, _____________________ is produced.
a)
fire
b)
heat
c)
ice
d)
electricity
28.
Materials that do not allow heat to move easily through them are called _____________________.
a)
models
b)
warmers
c)
conductors
d)
insulators
29.
Why is it important to put insulation in the attic of your home?
a)
it holds in the heat in winter and the cool in summer
b)
it makes the house colorful
c)
it makes the house rent go up
d)
it helps the house look better
30.
Burning wood produces light and ______________.
a)
icicles
b)
wax
c)
electricity
d)
heat
31.
A student’s hot cocoa stays warm when served in a thermos. Why does the cocoa stay warm?
a)
The thermos is a conductor so it lets heat from the cocoa move easily through it.
b)
The thermos is an insulator so the does not move easily through it.
c)
Cold air moves through the thermos to the cocoa.
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