How Energy from the Sun Influences Earth

Front

What is convection?

Back

Convection is the transfer of thermal energy through the movement of fluids (liquids and gases). Warm fluid rises while cooler fluid sinks, creating a current.

Front

How does a hot air balloon rise?

Back

A hot air balloon rises because convection causes the warmer air inside the balloon to rise in the cooler atmosphere.

Front

What is conduction?

Back

Conduction is the transfer of thermal energy through direct contact between materials. Heat moves from the hotter object to the cooler one.

Front

What is radiation?

Back

Radiation is the transfer of energy through electromagnetic waves. It does not require a medium, so it can occur in a vacuum.

Front

What role does the sun play in convection currents in the ocean?

Back

The sun heats the surface water of the ocean, causing it to become less dense and rise, while cooler, denser water sinks, creating convection currents.

Front

What is the difference between conduction and convection?

Back

Conduction is heat transfer through direct contact, while convection is heat transfer through the movement of fluids.

Front

What is an example of radiation in everyday life?

Back

An example of radiation is feeling the warmth of the sun on your skin, which is caused by solar radiation.

Front

How does the sun influence weather patterns on Earth?

Back

The sun heats the Earth's surface unevenly, causing air movement and creating wind and weather patterns.

Front

What happens to warm air in the atmosphere?

Back

Warm air tends to rise because it is less dense than cooler air.

Front

What is the process of evaporation?

Back

Evaporation is the process where liquid water turns into water vapor due to heat, often from the sun.