1. The Rock Cycle Thinking about relationships among the major rock groups

2. If you are watching as a PowerPoint,watch it correctly … or it won’t make sense! Turn on the volume. On the top menu, make sure you click “Slide Show” then click “From Beginning” before watching. The “Enter” key will take you to the next slide when you are ready. The back arrow key will allow you to go back if you need to. 2

3. Take Notes As you go through the PowerPoint write a definition for each type of rock. Then copy the detailed diagram of the rock cycle, like the one in the PPT. You do not need to draw all the pictures, just the diagram and vocabulary terms. 3

4. 4 Major Rock Groups Igneous –Formed from a molten rock –Intrusive (plutonic):slow cooling inside earth and crystallization –Extrusive (volcanic): quick cooling at the surface Sedimentary –Formed at the Earth’s surface –From mineral or rock fragments & grains, clays, or precipitates Metamorphic –Undergoes extreme pressure, temperature.

5. The Rock Cycle Is the continuous process by which new rocks form from old rock material.

6. Fig. 2.9 MAGMA

7. 7 Cools & Crystallizes IGNEOUS ROCK

8. 8 MAGMA IGNEOUS ROCK Intrusive Crystallization Cools slowly inside the earth

9. 9 MAGMA Extrusive IGNEOUS ROCK Crystallization Lava Cools quickly on the earth’s surface

10. 10 MAGMA Extrusive IGNEOUS ROCK Intrusive Crystallization Weathering & Erosion

11. 11 MAGMA Extrusive IGNEOUS ROCK Intrusive SEDIMENT Crystallization SEDIMENTS Weathering& Erosion

12. 12 MAGMA Extrusive IGNEOUS ROCK Intrusive SEDIMENT Crystallization Weathering& Erosion Transport Deposition

13. 13 MAGMA Extrusive IGNEOUS ROCK Intrusive SEDIMENT SEDIMENTARY rock Crystallization Weathering& Erosion Transport Deposition

14. 14 MAGMA Extrusive IGNEOUS ROCK Intrusive SEDIMENT SEDIMENTARY rOCK METAMORPHIC ROCK Burial Heat & Pressure Crystallization Weathering & Erosion Transport Deposition

15. 15 MAGMA Extrusive IGNEOUS ROCK Intrusive SEDIMENT SEDIMENTARY rOCK METAMORPHIC ROCK Burial Heat & Pressure Melting Crystallization Weathering & Erosion Transport Deposition Can you see any shortcuts?

16. 16 MAGMA Extrusive IGNEOUS ROCK Intrusive SEDIMENT SEDIMENTARY ROCK METAMORPHIC ROCK Burial Heat & Pressure Melting Crystallization Weathering & Erosion Transport Deposition Weather /Erode into sediments - Sedimentary

17. 17 MAGMA Extrusive IGNEOUS ROCK Intrusive SEDIMENT SEDIMENTARY ROCK METAMORPHIC ROCK Burial Heat & Pressure Melting Crystallization Weathering & Erosion Transport Deposition Heat & Pressure - Metamorphic

18. 18 MAGMA Extrusive IGNEOUS ROCK Intrusive SEDIMENT SEDIMENTARY ROCK METAMORPHIC ROCK Burial Heat & Pressure Melting Crystallization Weathering & Erosion Transport Deposition Melt & Crystallize into Igneous

19. 19 MAGMA Extrusive IGNEOUS ROCK Intrusive SEDIMENT SEDIMENTARY ROCK METAMORPHIC ROCK Burial Heat & Pressure Melting Crystallization Weathering & Erosion Transport Deposition Weathering & Erosion Heat & Pressure Melt & Crystallize

20. The rock cycle demonstrates the relationships among the three major rock groups It is powered by the Earth’s heat It involves processes on the Earth’s surface as well as the Earth’s interior It connects the “water cycle” with the “tectonic cycle”. In Conclusion…