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WorksheetsCFE Heat Transfer Honor 25
Total questions: 45
Worksheet time: 1hrs 14mins
The sun shines down on this family as the play on the beach. (a)
A group of friends gather around a fire to stay warm. (a)
The Gulf Stream is a current that brings warm ocean water from the south to the north. (a)
Walking on the warm sand sand with your bare feet. (a)
Which direction will the heat flow while this person holds a hot cup of tea? (a)
Which direction will the heat flow while this ice cap melts? (a)
The metal skewer gets so hot that you drop your marshmallow into the campfire because of (a)
A house burns down. The vinyl siding of the house next door warps due to (a)
You lay on the same hot rock at night and keep warm from the rock by (a)
Which is the best example of heat transfer by convection? (a)
How does heat energy from the sun reach Earth? (a)
On a hot summer day, a student dropped an ice cube onto a park bench. Within minutes, the ice cube melted. Which bestdescribes the process the student observed? (a)
Freezing (a)
Boiling (a)
What is happening when my ice cream changes from a solid to a liquid? (a)
The speed of the molecules determines the (a) .
The slower the particles in a substance move, (a)
Energy transferred from a higher temperature object to a lower temperature object is (a) .
Which thermal exchange process does not require a medium? (a)
Which thermal exchange process carries thermal energy through boiling water as it heats up on top of a stove? (a)
The measure of average kinetic energy of all the particles within an object is called (a) .
The measure of average kinetic energy of all the particles within an object is called (a) .
The physical forms of matter which include solids liquids and gases is called? (a)
Match
radiation
radiation AND conduction
convection
Match these heat transfers
Conduction
Convection
Radiation
Select all that apply. Which of the following are examples of radiation?
microwave
Sunlight
Fire
touching a piece of hot metal
Click on the example of CONDUCTION in the picture!
Boiling Water (a)
Click on the example of CONVECTION in the picture!
What role does thermal energy play in the process of convection?
It causes fluids to decrease in density and rise.
It increases the conductivity of materials.
It is not involved in the process of convection.
It prevents the movement of heat.
Which material would be the best conductor of thermal energy?
Plastic
Wood
Metal
Glass
Select the correct statements. Select all that apply.
The temperature of Sample A increased.
The temperature of Sample B increased.
The temperature of Sample A decreased.
The temperature of Sample B decreased.
solid
liquid
gas
Which state of matter does this image represent?
liquid
solid
gas
plasma
A plasma can be made in a laboratory by
cooling a gas to very low temperatures
cooling a gas and reducing the pressure
heating a gas to extremely hot temperatures
heating a liquid to the point it turns into a gas
