Across
- 4. Layers of rock, fossils and other evidence to tell the story of the Earth
- 5. sample of Earth’s lithosphere or cryosphere
- 8. Longest era of the earth, when the earth formed
- 11. Preserved remains, traces, or impressions of living things from the past
- 13. Testing minerals in rocks to measure radioactive decay
- 14. Time scale when it reshapes the continents and alters the atmospheric composition
- 16. Time scale when there is a temporary shift in global temperatures and weather patterns
- 17. era when life appeared in oceans and ended with the Permian Extinction
- 18. where tectonic plates meet
Down
- 1. The Age of Reptiles - ended with mass extinction of dinosaurs
- 2. studies the human side of history through tools, artifacts and ruins
- 3. studies specifically fossils to understand life
- 6. studying natural outcrops to look at the sequence of layers to determine order of event of the Earth’s history
- 7. The Age of Mammals - present day
- 9. computer simulation that scientists use to predict future climate changes
- 10. Time Scale when it leads to global warming, rising sea levels, and more extreme weather
- 12. satellites and aerial surveys help map large-scale rock formations and fault lines
- 15. studies rocks, earth's layers, and fossils