Conduction and Convection

Convection can take place in ____________.

• solids only.

• liquids only.

• liquids and gases only.

• solids, liquids and gases.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

In convection, COOL air

• Rises

• Sinks

In convection, WARM air

• Rises

• Sinks

Tags

NGSS.MS-ESS2-5

Which material is the best conductor of heat?

• Wood

• Steel

• Plastic

• Glass

Why are gases poor conductors of heat?

• Particles are far apart and collisions are more frequent

• Particles are close together and collisions are more frequent

• Particles are close together and collisions are less frequent

• Particles are far apart and collisions are less frequent

The way the heat is moving from the hot coffee is called...

• convection

• radiation

• insulation

• conduction

Warm air rises and the cool air sinks

• conduction

• convection

• radiation

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

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

• Convection

• Conduction

• Radiation

• Insulation

What type of thermal energy transfer is number 2 pointing to?

• Convection

• Conduction

• Radiation

• Insulation

Food cooking in a pan on a stove

• Conduction

• Convection

• Radiation

Tags

NGSS.MS-PS3-3