Heat Transfer

Heat is the movement of_____.

• radiation

• cold

• thermal energy

• fire

Thermal energy always moves from_____ to_____.

• solid to liquid

• hot to cold

• ice to water

• solid to gas

Thermal energy can be transferred by______

• conduction only

• convection only

• radiation only

• conduction, convection, and radiation

.... is the transfer of heat by the movement of liquids and gases.

• conduction

• convection

• radiation

• none of three options are right

The surface of the saucepan becomes hot because the fire and the base of the saucepan are in contact. This is an example of ...

• conduction

• convection

• radiation

• none of three options are right

Which substance will conduct the least amount of heat?

• glass

• copper

• plastic

• aluminum

Diamond, steel, and aluminum are good examples of_____.

• insulators

• conductors

• thermal energy

• radiation

Heat moves by_____when it travels from one solid to another solid.

• radiation

• thermal energy

• convection

• conduction

The example of conduction is ...

• clothes are dry due to heat from the sun

• teaspoon becomes hot in a cup of hot tea

• water boils in electric kettle

• hot tea becomes cold after some time

Which is an example of radiation?

• boiling a pot of noodles for dinner

• getting hot from lying in the sun

• feeling warm while taking a shower

• burning yourself after touching a hot plate