1. Which inner planet is the closest planet to the sun?

• Venus
• Earth
• Mercury
• Mars

2. What planet has polar ice caps?

• Venus
• Earth
• Mercury
• Mars

3. Whcih two planets below DO NOT have moons?

• Mercury
• Mars
• Venus
• Earth

4. Which planet is the hottest planet?

• Mercury
• Earth
• Mars
• Venus

5. All of the inner planets rotate or spin counter-clockwise, except for one planet. Which inner planet rotates clockwise?

• Mercury
• Venus
• Earth
• Mars

6. Which planet is also known as the Red Planet because of the iron on its surface?

• Mars
• Mercury
• Venus
• Earth

7. Which of the inner planets is the smallest planet in our solar system?

• Earth
• Mars
• Mercury
• Venus

8. Which inner planet is know as Earth's TWIN becuse it is very close in size to Earth?

• Earth
• Mars
• Venus
• Mercury

9. The inner planets are all called Terrestrial Planets. This is because the inner planets are all ___________.

• made of gas
• made of rock
• cold
• large

10. Which of the following, lists the inner planets in order from their distance to the sun.

• Mercury, Venus, Mars, Earth
• Mercury, Earth, Venus, Mars
• Mercury, Venus, Earth, Mars
• Mercury, Mars, Venus, Earth