The Sun

Energy that allows us to see.

• sound energy

• light energy

• thermal energy

A ball of gas in space that produces its own light and heat.

• a moon

• a planet

• a star

The star at the center of our universe that supplies light and heat to Earth; its enormous gravity keeps the solar system in orbit.

• Earth

• the sun

• Jupiter

Energy that causes the transfer of heat between materials.

• thermal energy

• light energy

• sound energy