Heat Transfer

How many kinds of heat transfer are there?

• 1
• 2
• 3
• 4 or more

Heat always flows from _____________ to _____________.

• hot to cold

• cold to hot

• hot to hotter

• cold to colder

Tags

NGSS.MS-PS1-4

The type of heat transfer that happens through direct contact is ___________________.

• convection

• conduction

• radiation

• insulation

The type of heat transfer that travels through space in waves is ______________________.

• insulation

• radiation

• conduction

• convection

___________________ is the type of heat transfer that occurs through the rising and falling of gases and liquids.

• convection

• conduction

• radiation

• insulation

Which statement is true?

• The quicker a molecule moves, the colder it is.

• The slower a molecule moves, the warmer it is.

• The quicker a molecule moves, the warmer it is.

• The movement of molecules don't affect temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Warm air is __________ dense than cold air and rises creating convection currents.

• more
• less

Tags

NGSS.MS-ESS2-5

The baby chickens are kept warm from the heat lamps. This is an example of ____________________.

• conduction

• convection

• radiation

The candle will slowly heat the metal and transfer the heat directly to the mans hand. This is an example of _________________.

• conduction

• convection

• radiation

The warm air from the land rises while the cold air from the ocean falls creating a sea breeze. This is an example of ___________________.

• conduction

• convection

• radiation