Exploring Heat Transfer Concepts

​ ​ (a)   is the sum of potential and kinetic energy.

• Thermal energy
• temperature
• volume
• heat
• height

A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

What is the process called when heat is transferred through direct contact between materials?

• Radiation

• Conduction

• Convection

• Insulation

Which of the following materials is a good conductor of heat?

• Wood

• Plastic

• Copper

• Rubber

Heat is defined as

• the transfer of thermal energy from one object to another due to temperature difference

• the temperature of a solid, liquid, or gas

• The kinetic energy of a solid, liquid, or gas.

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What property makes a material a good insulator?

• High density

• Low thermal conductivity

• High thermal conductivity

• High electrical conductivity

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Which instrument is commonly used to measure temperature?

• Barometer

• Thermometer

• Anemometer

• Hygrometer

How does heat transfer occur in boiling water?

• Through conduction

• Through convection

• Through radiation

• Through insulation

Why is metal often used in cooking utensils?

• It is lightweight

• It is a good insulator

• It is a good conductor of heat

• It is non-reactive

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Explain why a thermos bottle keeps liquids hot or cold for a long time.

• It uses a vacuum to reduce heat transfer

• It is made of metal

• It has a thick plastic layer

• It is painted black

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