S5 Earth Week 8 Explore Our Solar System

16. ______ is the largest planet, and is believed to have a liquid core.

13. The word __________ means sun.

23. __________ are pieces of space stuff that hit the Earth’s atmosphere.

7. Energy shoots from the core of the sun to the surface called the ______.

8. Surrounding the sun is the __________.

1. Everything in the solar system revolves around the ___________.

18. ________ the eighth planet, and is farthest from the sun when Pluto is inside its orbit.

10. Huge explosions can often be seen on the sun called ___________

4. Our solar system is part of an even larger system called the _________.

20. _____ are chunks of dirt and ice with a nucleus and a large shining ________.

2. The system of planets, moons, and asteroids revolving around the sun is called the _______.

19. The ________ is Earth’s only natural satellite.

11. ________ is the planet closest to the sun and is small, rocky and craters like our moon.

6. Dwarf planets are ______-between Mars, Jupiter, and ______- farther from sun than Pluto.

14. Earth is the _____ planet from the sun.

21. ________ is the second planet and is called our sister planet, it is much like Earth.

3._____ is the sixth planet and giant rings made of ice chunks, dust, and rock; it is gaseous.

22. _________ are believed to be leftover rocky chunks from the formation of the solar system.

5. _______ was classified to a dwarf planet in 2006 much like the two other dwarf planets.

9. Above the chromosphere is the __________.

15. _________, the fourth planet is called the _________, and has polar ice caps like Earth.

12. Mercury has no _______________.

17. _________ is the seventh planet, is blue-green