Quarter 1 Vocab Review

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Across
  1. 1. Large grouping of stars in space
  2. 6. Force that causes objects with mass to attract one another
  3. 7. Celestial body that revolves around the planet
  4. 8. A star and the group of planets and other celestial bodies
  5. 12. Shape of the illuminated portion of the Moon
  6. 13. 23.5 degrees and causes the seasons
  7. 14. All the fossils that have been found in rock layers
  8. 15. Large celestial body that revolves around a star
Down
  1. 2. Full moon passes into Earth's shadow causing the moon to appear red
  2. 3. Tiny particles of matter floating in space
  3. 4. Law that states that in rock layers, the oldest fossils are found at the bottom and youngest found at the top
  4. 5. Timeline that shows the history of Earth by dividing it into different time periods based on the ages of rock layers
  5. 9. Theory that says the universe began as a small point that expanded rapidly
  6. 10. Layers of rock that formed over time. Each layer is made of similar materials and lies on top of older layers
  7. 11. 4 divisions of the year based on changes in temperature due to the amount of sunlight