Heat Transfer Methods
Physics ⇒ Heat and Thermodynamics
Heat Transfer Methods starts at 7 and continues till grade 12.
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See sample questions for grade 10
A hot air balloon rises because the air inside the balloon is heated. Which method of heat transfer causes the balloon to rise?
A metal spoon is placed in a hot cup of tea. After a while, the handle of the spoon becomes warm. Which method of heat transfer is responsible for this?
A person stands in front of a heater and feels warm. Which method of heat transfer is primarily responsible for this?
Describe one way to reduce heat loss by radiation in a building.
Describe the process of heat transfer by radiation.
A hot air balloon rises because the air inside the balloon is heated. Which method of heat transfer causes the balloon to rise?
A metal spoon is placed in a hot cup of tea. After a while, the handle of the spoon becomes warm. Which method of heat transfer is responsible for this?
A person stands in front of a heater and feels warm. Which method of heat transfer is primarily responsible for this?
Which of the following is an example of heat transfer by radiation?
(1) Warming your hands by holding them near a fire
(2) Heating a pan on a stove
(3) Boiling water in a kettle
(4) Melting ice in your hand
Which of the following is NOT a good insulator?
(1) Air
(2) Wool
(3) Silver
(4) Plastic
Which of the following is NOT a method of heat transfer?
(1) Conduction
(2) Radiation
(3) Reflection
(4) Convection
Which of the following is the best example of convection?
(1) Ironing clothes
(2) Boiling water
(3) Sunlight warming the Earth
(4) Touching a hot pan
Fill in the blank: The main method of heat transfer in liquids and gases is __________.
Fill in the blank: The process by which heat is transferred from the bottom to the top of a pot of boiling water is called __________.
Fill in the blank: The transfer of heat from one particle of matter to another without the movement of the matter itself is called __________.
Fill in the blank: The transfer of heat from the Sun to the Earth takes place by __________.
True or False: Gases are generally better conductors of heat than solids.
True or False: Heat always flows from a colder object to a hotter object.
True or False: In a vacuum, heat can be transferred by convection.
True or False: Radiation can occur in a vacuum.
