Science club

What is the symbol of heat ?

• q

• A

• i

• R

What is the direction of heat flow?

• low temperature to high

• hight temp. to low temp.

• both

• none of the above

Which is the process of heat transfer ?

• conduction

• convection

• Radiation

• all the above

Which process of heat transfer does not need medium ?

• Convection

• Conduction

• Radiation

• none

The way the heat is moving from the hot coffee is called.....

• Convection

• Conduction

• Insulation

• Radiation

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

• Conduction

• Radiation

• Convection

• Density

This is the lava lamp. When the light bulb heats the wax ,the wax rises .When the wax cools ,it falls .This cycle of rising /falling is an example of:

• Conduction

• Convection

• Radiation

• none

Warm air rises and the cool air sinks demonstrates this type of heat transfer....

• Conduction

• Convection

• Radiation

• Insolation

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

• Conduction

• Convection

• Radiation

• none of the above

Ironing a shirt is an example of ........

• Condensation

• Conduction

• Convection

• Radiation