WorksheetsHeat transfer
Total questions: 38
Worksheet time: 2hrs 47mins
This type of heat transfer takes place with direct contact and at least one solid object. Example a burner on a stove heating the bottom of a pot.
convection
radiation
conduction
Heat is transferred from the sun to Earth by which kind of heat transfer
convection
radiation
conduction
You hold a solid chocolate bar in your hand, which then starts to warm up and soften. This happens due to what?
convection
radiation
conduction
The kind of heat transfer that travels through space in electromagnetic waves is
convection
radiation
conduction
In heat transfer, heat always flows from the _________ substance to the ____________ substance.
hotter to colder
colder to hotter
In which direction will the heat flow while a person holds a cup of hot tea. (The cup is hotter than the person's hand.)
from hand to cup
from cup to hand
no heat will be transferred
What type of heat transfer is happening here?
The pot sitting on the burner is conduction and the water in the pot is convection
The pot sitting on the burner is convection and the water in the pot is conduction
The pot sitting on the burner is radiation and the water in the pot is convection
The pot sitting on the burner is conduction and the water in the pot is radiation
This sunbather is getting a warm because ______
The heat from the sun is travelling through electromagnetic waves and conduction is occurring.
The heat from the sun is travelling through electromagnetic waves and radiation is occurring.
The heat from the sun is travelling through electromagnetic waves and convection is occurring.
the sun is transferring energy
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
Hotter to colder
Colder to hotter
Hotter to hotter
Colder to colder
When you use a microwave, what is the main way that heat is transferred?
Convection
Conduction
Radiation
insulation.
An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through
conduction
convection
radiation
You get sunburned due to __________ from the sun.
conduction
convection
radiation
Near the ceiling of a room the air is warmer. The warm air rises because of
conduction
convection
radiation
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
radiation
conduction
convection
insulation
The butter on top of the pancake melted.
Conduction
Convection
Radiation
Air conditioner cooling the hot room.
Conduction
Convection
Radiation
Hair gets hot when a hair straightener is used on it.
Conduction
Convection
Radiation
A bowl of soup cools.
Conduction
Convection
Radiation
Carole owns a two story house with a heating and cooling unit on each floor. In the winter she mostly uses the downstairs unit to heat the house because the volume of warm air __________ and __________, warming the whole house through __________.
expands and rises, convection
expands and sinks, conduction
contracts and rises, conversion
contracts and sinks, conduction
After cooking an egg in boiling water, you cool the egg by putting it into a bowl of cold water. Which of the following explains the egg’s cooling process?
Hot water moves from the egg to the water.
Cold water moves into the egg.
Energy is transferred from the water to the egg.
Energy is transferred from the egg to the water.
If you put a metal spoon and a wooden spoon into a pot of boiling water, one will become too hot to touch. Why?
Metals conduct heat better than wood.
Wood conducts heat better than metals.
Metals pull in heat because heat is attracted to metals.
Wood isn’t as strong as metals.
You take a cold can of soda off of a counter top. The counter top underneath the can feels colder than the rest of the counter. Which of the following explains this occurrence?
The cold has been transferred from the soda to the counter.
There is no heat energy left in the counter beneath the can.
Some heat has been transferred from the counter to the soda.
The heat beneath the can moves away into other parts of the countertop.
Heat is the (a) of thermal energy from one body to another.
Temperature is the measurement of the average (a) energy of molecules in a substance.
What is the difference between a conductor and an insulator?
An insulator allows heat to flow through it easily and a conductor does not
A conductor allows heat to flow through it easily and an insulator does not.
An insulator is magnetic and a conductor is not
A conductor is magnetic and an insulator is not
All of the following are conductors except _______.
metal spoon
wire
iron nail
plastic spoon
A great conductor of energy is:
wood
plastic
metal
cloth
The energy of motion
Kinetic Energy
Potential Energy
A big pot of water at 100°C has more energy than a drop of water at the same temperature.
True
False
The energy that is transferred from a warmer object to a cooler object is called...
thermal energy
kinetic
force
temperature
