Convection

Convection only occurs in which phases of matter?

• solids & gases

• solids & liquids

• liquids & gases

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

• conduction

• convection

• radiation

Tags

NGSS.HS-ESS2-3

Which best describes the process of convection?

• Convection is the primary way  heat travels  through rays.
• Convection is the primary way heat travels  through metals.
• Convection is the primary way heat travels  through appliances.
• Convection is the primary way heat travels  through liquids and gasses.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is convection ? (Choose all answers that apply)

• method of transfer of heat in fluids

• method of transfer of heat in solids

• transfer of heat due to movement of molecules

• transfer of heat due to vibration of molecules

In an ocean, warm water moves __________ and cold water moves ____________.

• Down, Up
• Up, Down

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Where does the initial source of energy come from that creates winds?

• the moon
• the sun
• the Earth's surface
• the rotation of the Earth

Tags

NGSS.MS-ESS2-6

Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• conduction
• convection
• radiation
• Insolation 

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Convection currents in the atmosphere create what? 

• wind
• steam
• ocean current
• volcanoes

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Hot matter is _________ dense and ___________

• less, sinks
• less, rises
• more, sinks
• more, rises

Tags

NGSS.MS-PS1-4

Cold air sinks because...

• It is less dense
• It is more dense