Transcript Document

Across
1. Galileo overturned this theory.
8. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
9. Effect This explains why Venus is hotter than Mercury.
11. A large cloud of gas and dust in space, spread out in an immense volume.
12. A space rock falling through the atmosphere.
14. A space rock in space.
17. How many degrees the earth is tilted. (hint: spell it out, don't use the
numbers)
21. The scientist that is tied to the GEOCENTRIC theory.
22. A plate boundary where plates move away from each other.
Down
2. Currents What is going on under Earth's surface causing tectonic plates to
move.
3. A space rock on earth's surface.
4. A plate boundary where plates move towards each other.
5. Data that cannot be measured.
6. Data that can be measured.
7. A huge group of single stars, star systems, star clusters, dust and gas
bound together by gravity.
10. The moon phase during a lunar eclipse.
13. Galileo supported this theory.
15. A day on earth is determined by Earth's __________
16. The moon phase during a solar eclipse.
18. A plate boundary where plates slide against each other.
19. The scientist that is tied to the HELIOCENTRIC theory.
20. A contracting cloud of gas and dust with enough mass to form a star.