Write your answers to the following questions on a piece of paper. Click the link at the end of the page to see if you made it to the head of the solar system. The more questions you answer correctly, the farther you travel in the solar system.

1. I travel around the sun faster than any other planet.
a. Earth	b. Mercury	c. Pluto
2. My name says I am the prettiest planet. I am Earth's twin sister -- the prettier sister.
a. moon	b. Mars	c. Venus
3. My surface is red because it has iron oxide (rust). That's why they call me the "Red Planet."
a. Mars	b. Mercury	c. Jupiter
4. I am the third planet from the sun.
a. Venus	b. Earth	c. Neptune
5. I am the star of the solar system.
a. moon	b. Mercury	c. sun
6. I am the windiest planet in the solar system.
a. Saturn	b. Neptune	c. Mercury
7. I am so far from the sun that noon is as dark as a moonlit night.
a. Pluto	b. Mercury	c. Uranus
8. I send heat and light to Earth.
a. Neptune	b. moon	c. sun
9. I have the brightest rings in the solar system.
a. Earth	b. Uranus	c. Saturn
10. I am a hot planet, but my temperature can drop 600 Celsius at night. That's because I don't have an atmosphere to trap the heat.
a. Mars	b. Mercury	c. Neptune
11. I am Earth's natural satellite.
a. moon	b. Venus	c. sun
12. It takes me 365 days to revolve around the sun.
a. Pluto	b. Earth	c. moon
13. I am the only heavenly body on which humans have landed.
a. moon	b. Mars	c. Saturn
14. Like Jupiter, Saturn and Neptune, I am made mostly of gases.
a. Uranus	b. Pluto	c. Earth
15. I am the biggest planet in the solar system. All of the other planets could fit inside of me.
a. Saturn	b. Jupiter	c. Mars

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