Across
- 4. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
- 6. to examine in detail for a purpose
- 7. the sudden pushing out of something, such as lava from a volcano
- 11. a diagram that shows what the inside of something looks like
- 12. an object, diagram, or computer program that helps us understand something by making itsimpler or easier to see
Down
- 1. an extinct reptile that lived about 300 million years ago
- 2. a sudden shaking of Earth’s surface
- 3. the place where two plates meet
- 5. the layer of soft, solid rock underneath Earth’s plates
- 8. Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation, and water
- 9. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
- 10. something we observe to be similar over and over again