Across
- 4. The modern theory of how Earth’s plates move is called "Plate ____".
- 5. A woody, seed-bearing tree with tongue-shaped leaves found on five continents.
- 7. A hollow rock often containing sparkly crystals inside.
- 9. A freshwater reptile that couldn't have swum across the salty Atlantic
- 10. Rocks that are formed over millions of years when layer after layer of sand, shells, plants, and tiny animal bodies are squeezed together until hard.
Down
- 1. The building blocks of rocks.
- 2. The German scientist who proposed the idea of moving continents.
- 3. A herbivorous, pig-like reptile found in Antarctica, India, and Africa.
- 5. Scientists use matching fossils, rock types, and ______ marks to fit continents together like puzzle pieces.
- 6. geodes are not entirely filled with crystals, but if they are completely solid
- 8. The ancient supercontinent where all landmasses were joined.