Inner vs. Outer Planets

Which planet is the smallest?

• Mercury
• Venus
• Earth
• Mars

Which is considered to be "Earth's Twin" because it is almost the same size?

• Uranus
• Mercury
• Mars
• Venus

All of the inner planets--

• have rings
• are rocky
• have deep atmospheres
• are large

What is the correct order of the planets from the sun? 

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

The sun is a...

• planet
• star
• asteroid
• moon

Which planet is the hottest?

• Mercury
• Venus
• Earth
• Neptune

Neptune and Uranus both get their blue color from--

• Methane
• Iron
• Storms
• Oxygen

All of the following planets have rings, EXCEPT--

• Saturn
• Venus
• Uranus
• Neptune

All of the outer planets--

• have many moons
• are small
• have a short orbit around the Sun
• are rocky

What planet is the largest?

• Mercury
• Neptune
• Jupiter
• Uranus