Across
- 1. Layer of the earth made out of liquid iron and nickel (key word: liquid)
- 4. Metamorphic rock is formed with heat and ______
- 5. Highly explosive volcano, aka stratovolcano
- 9. Wide, bubbly volcano
- 10. Solid core of the earth (key word: solid)
- 11. Rock formed by other rocks compressed with heat
- 13. _____ and chemical weathering
- 16. Small pieces of rock
- 18. How magma escapes
- 19. Sedimentary rock is formed in ______
- 20. Sharp, black igneous rock
Down
- 2. Thinnest layer of the earth
- 3. Moving of rocks
- 6. Rock formed by compressed sediment
- 7. Short, peaked volcano
- 8. Three letters that strike fear into students
- 12. Breakdown of rocks
- 13. Melted metamorphic rock is ____
- 14. Aboveground magma
- 15. Rock formed by cooled lava
- 17. Largest layer of the earth
