Across
- 1. Solid copies of the shape of the organism.
- 4. A place where magma sits on its way up from the upper mantle to Earth’s surface
- 15. Evidence of organisms' activities such as footprints.
- 16. The center of the Earth and also the hottest layer.
- 17. When plates move closer together
- 18. Provide evidence about the history of life and past environments on Earth.
- 20. Scientists who study and collect fossils from sedimentary rocks.
- 21. Fossils of widely distributed organisms who lived during one short period.
- 22. Hollow areas formed in sediment in the shape of the organism.
- 23. The outer layer of the Earth.
- 24. In sedimentary rock layers, the oldest layer is at the bottom, youngest at the top.
- 26. The flow that transfers heat within a fluid
- 29. Fossils where minerals replaced all or part of the organism.
- 30. A funnel-shaped pit at the top of a volcano
Down
- 2. When plates move in opposite directions
- 3. A scientist who studies the history of Earth
- 5. The area directly below the focus
- 6. A thin coating of carbon on rock.
- 7. The only liquid layer of the Earth.
- 8. A scientist who studies earthquakes
- 9. When plates move apart
- 10. The age of a rock given as the number of years since it was formed.
- 11. A pushing force that decreases volume
- 12. The layer that is underneath the crust. It is the thickest layer.
- 13. Animals preserved with little or no change.
- 14. The opening from which lava flows in a volcano
- 19. Two opposing forces acting on the same point
- 25. When rocks break under stress beneath Earth’s surface during and earthquake
- 27. The age of a rock compared to the age of other rock layers.
- 28. a pulling force that increases volume