Heat: conduction, convection, radiation

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

Tags

NGSS.MS-PS3-4

NGSS.MS-ESS2-6

Thermal energy transfer through touch.

• Conduction

• Convection

• Radiation

Tags

NGSS.MS-PS1-4

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 or gases

Tags

NGSS.MS-ESS2-6

Thermal energy transfer between two objects that are NOT touching.

• Conduction

• Convection

• Radiation

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

What thermal energy transfer is shown here?

• Conduction

• Convection

• Radiation

The transfer of thermal energy from one substance to another is _______

• melting

• heat

• fuel

• energy

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Dan heats up a sandwich in the microwave. What type of heat transfer is it from the microwave to the sandwich?

• convection

• conduction

• radiation

• microwave

The baby chickens kept warm by the heat lamps. This is an example of ________.

• conduction

• convection

• radiation

Near the ceiling of a room the air is warmer. The warm air rises because of ________.

• conduction

• convection

• radiation