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Review – Constructive and Destructive Forces Fill in the crossword puzzle below using the clues on the back of this sheet. You may use your textbook, your notes, a book, or BrainPOP to assist you. Across 1. 3. 5. 8. 9. 10. 11. 12. 14. 16. 17. 18. The breaking down of rocks and soil A vent in the Earth's crust It erodes more than any other substance (it eroded the Grand Canyon!) Layers of dirt, sand, and soil (typically found at the bottoms of rivers, lakes, and oceans) Hot liquid rock on the Earth's surface The carrying away of rocks and sediment The placing of rocks and sediment It erodes sand dunes in the desert The type of process that occurs when a volcano blows off its own top A crack in the Earth's crust Hot liquid rock under ground This country's volcano recently disrupted air travel in Europe Down 2. 4. 6. 7. 9. 13. 14. 15. Motion caused by two plates colliding, separating, or scraping by each other This South American country recently suffered a very large earthquake The type of plates the Earth's crust is broken into This Caribbean country recently suffered a devastating earthquake A natural feature of the Earth's surface These crush cliffs and rocks into sand A group of islands formed at the mouth of a river by erosion and deposition The type of process that occurs when a volcano is created