Solar System Review

Why is Mercury hotter than Saturn?

Organize these options into the right categories

Groups:

(a) Emits Light

,

(b) Reflects Light

• Uranus

• Mars

• Moons

• Comets

• Stars

• Sun

We can see the Sun because it ​ (a)   light while we can see the Mars because it ​ (b)   light.

• emits
• reflects

Reorder the following terrestrial

• Venus

• Mars

• Mercury

• Earth

Match the following

• Earth

• Gas Giant

• Europa

• Star

• Jupiter

• Terrestrial Planet

• Pluto

• Dwarf Planet

• Sun

• Moon

What is the difference between a comet and an asteroid?

• A comet has a tail, an asteroid does not

• There are no differences

• A comet has ice, an asteroid is just rocks

• A comet emits light, an asteroid reflects light

Spell the seventh planet correctly

Drag the planets in order from closest to the Sun: ​ (a)   ​, Venus​, (b)   ,​ (c)   ,​ Jupiter,​ (d)   ,​ (e)   and Neptune

• Mercury
• Earth
• Mars
• Saturn
• Uranus
• Pluto
• Asteroid Belt
• Moon

What does "clear its orbit" mean?

• It has gravity to pull objects and can dominate an area

• It pushes things out of its path

• It has a clear space to orbit

What are the qualities of a dwarf planet?

• It cannot clear its orbit

• It orbits a star

• It is not spherical

• It has a moon