Year 8 - Conduction, convection and radiation

All of the following are good conductors of heat EXCEPT

• Copper

• Iron

• Plastic

• Aluminum

What type of thermal energy transfer is number 1 pointing to?

• Convection

• Conduction

• Radiation

• Insulation

What type of thermal energy transfer is number 3 pointing to?

• Convection

• Conduction

• Radiation

• Insulation

What is the definition of CONVECTION

• When heat transfers through waves.

• When heat transfers from objects that are touching.

• a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.

• Heat traveling from the sun

A lava lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

• Conduction

• Convection

• Radiation

• Insulation

A house burns down. On the house across the street, all of the vinyl siding is twisted and warped by the heat. The heat was transferred across the street by..

• Conduction

• Convection

• Radiation

• Insulation

The metal skewer gets so hot you drop your marshmallow into the campfire because of....

• Conduction

• Convection

• Radiation

• Insulation

Warm air over the beach rises while cooler dense air from the ocean rushes in this is due to..

• Conduction

• Convection

• Radiation

• Insulation

Which type of heat transfer (if any) would be possible in the vacuum of space?

• Conduction

• Convection

• Radiation

• No form of heat transfer can happen in space

Which of the following statements about convection is true?

• all types of currents are convection currents

• Convection occurs between solids only at high temperatures

• Convection can only occur during the process of boiling

• Convection always involves the circulation of liquids and gases