Thermal Heat Transfer

Hot coffee is stirred with a spoon, the spoon gets hot due to

• Convection

• Conduction

• Radiation

A chair is placed several feet from a fire in a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of

• Convection

• Conduction

• 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

A house burns down. On the house across the street, all of the vinyl siding is twisted and warped by the heat. The heat was transferred across the street by

• Convection

• Conduction

• Radiation

The arrows inside the pot show ​ (a)  

• convection

• radiation

• conduction

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-PS3-3

NGSS.MS-PS3-4

The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.

• Convection

• Conduction

• Radiation

• insulation.

When you use a microwave, what is the main way that heat is transferred?

• Convection

• Conduction

• Radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

• Convection

• Conduction

• Radiation

Tags

NGSS.MS-PS1-4

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

• Convection

• Conduction

• Radiation

Tags

NGSS.MS-ESS2-6