Review Solar System and Its Elements

The sun is

• rocky body smaller than a planet

• celestial body made of rock and ice

• the source of light and heat

Natural satellites are

• celestial bodies made of rock and ice

• celestial bodies like the moon

• rocky body smaller than a planet

Comets are

• the main source of light

• celestial bodies made of rock and ice

• celestial bodies like the moon

Planets are

• celestial bodies that do not emit light, but reflect it form the sun

• star

• celestial bdoy made of rock

Asteroids are

• celestial bodies made of rock and ice

• a star

What is rotation?

• the spining of an object on itself

• when an object orbit an external point

What is orbital revolution?

• when an object orbit an external point

• the spinning of an object on itself

What produces the rotation of Earth?

• the seasons

• the day and night

What produces the orbital revolution of Earth?

• the seasons

• day and night

Choose the inner planets

• Earth

• Jupiter

• Venus

• Mercury

• Neptune