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

• condensation

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

Glass, 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