GeoPuzzle

2. A type of igneous rock that cools underground.
5. The inner _____ is the layer of the earth made of solid nickel and iron.
9. Objects that can be made up of both minerals and organic materials.
10. The type of rock that comes from volcanoes.
13. Fragments of broken down rocks.
15. Volcanoes that might erupt again are called:
16. A type of igneous rock that cools on Earth's surface.
17. Molten rock found on the outside of a volcano.
20. A scientist who studies Earth, including its formation and tectonic activity.
22. The difference between the highest and lowest elevation of an area.
23. Made up of the lower crust and upper mantle.
24. A type of volcano made up of alternating layers of lava and ash.
25. Molten rock found on the inside of a volcano.
26. Tectonic plates move towards each other at __________ plate boundaries.

1. The type of rock that is created through heat, pressure, and chemical processes.
3. Earthquake shaking can be detected using a ___________.
4. The preserved remains or traces of organisms from the distant past.
6. Continental _____ is caused by tectonic plate movement/seafloor spreading.
7. Tectonic plates move away from each other at __________ plate boundaries.
8. The outermost layer of the earth.
11. The type of rock that is formed through the compression and cementation of sediments.
12. The layer of the earth just beneath the crust that is semi-molten.
14. Inorganic crystals that have clearly defined chemical formulas.
18. Distinct shapes or features of the topography of a region.
19. A type of volcano that is a broad, gently sloping mountain of hardened lava.
21. Ground movement and shaking caused by tectonic plate slipping.
24. layers of rock used to determine the geologic age of an area.