heat transfer grade 7 physics

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

• Conduction
• Radiation
• Convection
• Density

What heat transfer happens when you burn your hand by touching a fire?

• Radiation
• Conduction
• Convection
• I don't know!!!!!!!!!!!

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

• conduction
• convection
• radiation
• Insolation 

Ironing a shirt is an example of...

• condensation
• conduction
• convection
• radiation

Warm air is __________ dense than cold air and rises creating convection currents.

• more
• less

The man goes to take the hot pot off the stove with his bare hands.

• conduction
• convection
• radiation

What happens when ice cubes melt in a glass?

• Heat travels from the ice to the warmer water.
• No energy is transferred.
• Heat is transferred from the warmer water to the ice cubes.
• The water warms up due to the humidity

Johnny accidentally grabbed the handle of the hot pot.

• conduction
• convection
• radiation

A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

Transfer of thermal energy through "space"

• conduction
• convection
• radiation