1. True or False: Pluto used to be considered the 9th major planet of the Solar System.

2. What type of planet is Pluto?

3. Which of the following best describes the surface of Pluto?

4. Around how big is Pluto's mass when compared to the mass of the Earth?

5. Around how long is a day on Pluto?

6. True or False: For a short time during its orbit around the Sun, Pluto is closer to the Sun than Neptune.

7. What is the name of Pluto's largest moon?

8. Pluto was named after what Roman god or goddess?

9. What did scientists call Pluto before it was confirmed to exist?

10. Pluto is part of what grouping of celestial objects?