Phy2-Week 2_heat transfer

Which of the following is NOT a method of heat transfer?

• conduction

• convection

• reflection

• radiation

Heat transfer by the movement of fluids, such as air or water, is known as:

• conduction

• convection

• insulation

• radiation

In which of the following materials does heat transfer primarily through vibrations of molecules?

• metal

• plastic

• wood

• glass

Which material is a good conductor of heat?

• rubber

• wood

• copper

• styrofoam

The transfer of heat through direct contact between two objects is called:

• conduction

• convection

• radiation

• insulation

Which of the following is an example of radiation heat transfer?

• Heating water in a metal pot on a stove

• Feeling the warmth of the sun on your skin

• Warming your hands over a fire

• Heating a room with a space heater

Which statement best describes insulation?

• It speeds up heat transfer.

• It prevents heat transfer.

• It only affects conduction.

• It increases convection.

Which of the following materials is often used as insulation to reduce heat transfer?

• aluminum

• cotton

• silver

• iron

The process of heat transfer through electromagnetic waves is called:

• conduction

• convection

• radiation

• insulation

Which of the following factors affects the rate of heat transfer by conduction?

• temperature difference

• surface area

• type of material

• all of the above