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Across 1. Page 66- These currents occur within the Earth and enable heat to escape 7. Page 76- There are 5 of these in the solar system 8. Page 77- Earth is the only planet to have this element 9. Page 67- These are hot plumes of magma that come through the crust of teh Earth 10. Page 74- This is the name of the star at the center of our solar system 11. Page 62- this plate tectonic structure existed 245 million years ago 13. Page 68- There are more than 30,000 of these on the moon 14. Page 75- The elliptical path of any satellite is a result of these two forces 15. Page 73- This is the name of the force of attraction between objects

Down 2. Page 65- This is a type of plate boundary in which thick oceanic plate dives under continental plate 3. Page 71- These are the names of the dark spots on the moon 4. Page 69- This satellite was created from debris left over after a giant impact between the Earth and another object 5. Page 70- This is the name of the 2nd phase of the moon 6. Page 64- This is the name of the area of the Earth where pieces of Earth slide, slip, collide, and go over/under each other 8. Page 63- This is the name of the outermost layer of the Earth 12. Page 72- This is the force taht causes tides of the Earth's oceans