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the transfer of heat through a medium (material) by direct contact of molecules

• conduction

• convection

• radiation

Which process is mostly responsible for warming the soil in Kumar’s model?

• Conduction between the lamp and the soil causes the soil to warm.

• Convection currents between the lamp and the soil cause the soil to warm.

• Expansion of particles in the soil causes the soil to warm.

• Radiation from the lamp reaches the soil and causes the soil to warm.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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 happen inside the Earth. Magma is heated by ______ and rises towards the crust.

• the sun

• the core

• plate tectonics

Tags

NGSS.MS-ESS2-1

Heat/magma moving under Earth's mantle; hot magma rises and cold magma sinks...

• Conduction

• Convection

• Radiation

Tags

NGSS.MS-PS1-4

The candle will slowly heat the metal and transfer the heat directly to the mans hand.

• conduction

• convection

• radiation

A group of friends gather around a fire to stay warm.  This is an example of

• conduction

• convection

• radiation

A fireman feels a door and it is hot. Why does his hand feel hot?

• Convection

• Conduction

• Radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which picture shows material that is more dense?

• The picture of the left

• The picture on the right

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1

• 1, 2, 3, 4

• 3, 4, 2, 1,

• 4, 3, 1, 2

Tags

NGSS.MS-PS1-2