Heat is

• A form of energy

• A measure of degree of hotness

Heat is measured量 in __________

• Celcius

• Joule

• Degree

• Kelvin

Temperature is measured in ___________

• Joule

• Celcius

• Degree

• Kelvin

Heat flows留 from __________ region区域 to __________ region.

• cooler, hotter

• hotter, cooler

In __________, heat transfer传送 through通过 solid.

• convection

• radiation

• conduction

In __________, heat transfer传送 through通过 fluid.

• radiation

• convection

• conduction

The sun transfers heat to the earth through ___________.

• convection

• conduction

• radiation

Heat can be seen看.

• true

• false

heat conductor __________ heat to flow through it.

• allows让

• does not allow

plastic is a heat insulator隔热.

• true

• false