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Place the inner planets in order from CLOSEST to the sun from FARTHEST.

• Earth

• Mars

• Mercury

• Venus

Place the outer planets in order from CLOSEST to the sun from FARTHEST.

• Saturn

• Neptune

• Jupiter

• Uranus

Match the following:

• inner planets/rocky surfaces

• dwarf planets

• outer planets

• Revolve

• planets orbiting the sun

• gas giants

• smaller objects that do not qualify as planets

• Rotate

• planets spinning on their axes

• terrestrial planets

The ​ (a)   ​ planets have fewer moons because they are ​ (b)   than the gas giants. The ​ (c)   planets all have ​ (d)   because they have ​ (e)   masses than the terrestrial planets.

• inner
• smaller
• outer
• rings
• larger

​ The planets were named for Greek and Roman gods.​ (a)   was named after the messenger god since it orbits the sun so quickly. ​ (b)   was named for the sky-god Zeus, while ​ ​ (c)   was named for the god of the sea. ​ (d)   is named for the god of war because of its red color, while ​ (e)   was named for the goddess of love and beauty.

• Mercury
• Jupiter
• Neptune
• Mars
• Venus
• Earth
• Saturn
• Uranus

Order the planets from largest to smallest:

• Mercury

• Jupiter

• Venus

• Neptune

Which planet... is called the morning star?

• Mercury

• Mars

• Earth

• Venus

Which planet... has the most craters?

• Mercury

• Mars

• Earth

• Venus

Which planet... has two moons?

• Mercury

• Mars

• Earth

• Venus

Which planet... is compared to Earth's moon?

• Mercury

• Mars

• Earth

• Venus