Across
- 1. Igneous rock classification, rocks that form above Earth’ surface
- 6. Category of large, less dense gassy planets further away from the sun
- 7. Igneous rock texture that forms when igneous material cools rapidly
- 10. Evidence for the Big Bang that states material moves faster further away from Earth, demonstrated using train or car horns (2 words)
- 12. Proposed the ideas of continental drift and named Pangaea, last name
- 14. Rock type, any rock that has been changed from its original form due to heat, pressure or fluid activity
- 16. Idea proposed by Harry Hess, describes how new oceanic crust forms
- 18. Representation of how all three rock types are related, and can be created, altered or destroyed (2 words)
- 19. Charged atomic particle
- 20. The smallest layer of Earth, by volume
- 22. Rock type, any rock formed by the cooling of magma or lava
- 23. The part of Earth’s interior that flows plastically, like taffy
- 24. Most common mineral group
- 25. Rock type, rocks made up of sediment that have undergone lithification
Down
- 2. Plate boundary where plates slide alongside each other
- 3. The study of the origin and evolution of Earth (2 words)
- 4. Plate boundary where plates move away from each other, or spread apart
- 5. The largest layer of Earth, by volume
- 8. The study of Earth materials and processes (2 words)
- 9. Formation process of sedimentary rocks, through compaction or cementation
- 11. Type of metamorphism that occurs when rocks are near heated magma chambers
- 13. Plate boundary where regional metamorphic activity occurs, due to high temperatures and pressures
- 15. Igneous texture that forms when gases and water are trapped as material cools
- 17. Mantle cell _________, driving force of plate tectonics
- 21. Metamorphic rock texture, lacking parallel mineral structure, like marble