Across
- 3. Stores information in tree rings, ice cores and fossils that can be measured to give clues about past climate
- 4. Type of weather that rock formations grow faster in
- 5. What scientists test in each ice core for various gases
- 7. Temperature and ___________ concentrations increase and decrease at the same time
- 8. Ice cores give information on precipitation and volcanic eruptions through preserving layers of?
- 9. Scientists drill deep into ice and extract long cylinders called _____________
- 10. Create one growth ring per year
Down
- 1. A scientist who studies past climate
- 2. Found on the ocean floor and shows layers containing fossils from the past
- 6. A scientist who studies pollen