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-PS1-4

What kind of heat transfer happens when the sun is heating your body?

• Conduction
• Radiation
• Convection
• Density

Tags

NGSS.MS-PS3-4

Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 

• conduction
• convection
• radiation

Tags

NGSS.4-PS3-2

A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

Tags

NGSS.4-PS3-2

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder
• Colder to hotter
• Hotter to hotter
• Colder to colder

Tags

NGSS.MS-PS1-4

___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.

• Convection
• Conduction
• Radiation
• insulation.

Tags

NGSS.MS-ESS2-6

Two objects at different temperatures are in contact. Which of the following happens to their thermal energy?

• Their thermal energies remain the same.
• Thermal energy passes from the cooler object to the warmer object
• Thermal energy passes from the warmer object to the cooler object.
• Thermal energy passes back and forth equally between the two objects.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A large house being heated by heater warms a house when the air is circulating.

• Convection
• Conduction
• Radiation
• insulation.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4