Conduction, Convection, Radiation

Front

What is conduction?

Back

Conduction is the transfer of heat from one object to another through direct contact.

Front

What is convection?

Back

Convection is the transfer of heat through a fluid (liquid or gas) where hot fluid rises and cold fluid sinks.

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of waves, such as sunlight.

Front

How does an iron smooth out wrinkles in clothes?

Back

An iron smooths out wrinkles by transferring heat to the clothes through conduction.

Front

What causes sunburn?

Back

Sunburn is caused by radiation from the sun.

Front

Give an example of conduction.

Back

An example of conduction is touching a hot stove and feeling the heat on your hand.

Front

Give an example of convection.

Back

An example of convection is boiling water where hot water rises and cold water sinks.

Front

Give an example of radiation.

Back

An example of radiation is feeling warmth from the sun on your skin.

Front

What happens to air when it is heated?

Back

When air is heated, it expands, becomes less dense, and rises.

Front

What happens to air when it cools down?

Back

When air cools down, it becomes more dense and sinks.