Across
- 1. two tectonic plates move away from each other
- 3. water falling visibly in separate drops
- 4. how birth something is on an HR diagram
- 6. moon keeps on decreasing in size
- 8. a moon that gets more sunlight on it as the days go by
- 10. how hot and cold something is
- 12. a star is classified according to its spectrum
Down
- 2. the force by which a planet or other body draws objects toward its center
- 5. plates slide sideways past each other
- 7. shows mountains, valleys, plains, lakes, rivers, and vegetation
- 9. rain, storming, snowing, sunny
- 11. two plates come together