Across
- 3. the change of an objects position based on the viewpoint
- 5. occurs twice a year and is the time when the Sun is at its highest and lowest
- 6. places where volcanic eruptions and earthquakes.
- 10. the habitable
- 12. in the sky
- 13. are the points where the Sun crosses the celestial equator
Down
- 1. broken pieces
- 2. the slow and gradual shift of the Earth’s
- 4. Earth rotates at a tilted angle
- 7. charged particles colliding with atoms and molecules in our atmosphere
- 8. around a star in which planets can sustain life
- 9. the generation of heat
- 11. a measure of how much material (or mass) is packed into a given volume