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Rock Cycle

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  1. Rock Cycle

  2. TAKS Objective 5 The student will demonstrate an understanding of earth and space systems.

  3. TEKS Objective: 8.12 The student knows that cycles exist in Earth systems. The student is expected to A analyze and predict the sequence of events in the lunar and rock cycles.

  4. Prior Knowledge • TEKS 6.6 C – Students identify forces that shape the feature of the earth including uplifting, movement of water, and volcanic activity. • TEKS 7.14 B – Student analyze effects of regional erosional deposition and weathering.

  5. Learning Objectives The student will be able to predict the events in the rock cycle. The student will be able to diagram and explain the rock cycle.

  6. All rocks are heavy. True or False

  7. A heavy piece of rock? Think again!

  8. All rocks are hard. True or False

  9. False • Chalk • Pumice • Talc

  10. Rocks never change. True or False

  11. False • Rocks are changed by processes such as: • Melting • Pressure • Heat • Weathering and Erosion

  12. Teacher Background

  13. Igneous rocks are formed when magma cools. http://www.fi.edu/fellows/fellow1/oct98/create/igneous.htm

  14. Melting

  15. Sedimentary rocks are formed when layers of earth have been deposited in the bottoms of bodies of water. Over time these layers are pressed together forming sedimentary rocks. http://www.fi.edu/fellows/fellow 1/oct98/create/sediment.htm

  16. Weathering and Erosion

  17. Metamorphic rocks were once sedimentary or igneous rocks that have been placed under tons of pressure and heat. http://www.fi.edu/fellows/fellow1/oct98/create/metamorph.htm

  18. Show the Diamond Squish animation.

  19. Igneous Metamorphic Sedimentary

  20. Rock Cycle Diagram

  21. ENGAGE

  22. Photos by Sandra Woodruff A rock can be a thing of beauty.

  23. Explore • Explore Chocolate Rocks!

  24.  Explain • How did you simulate weathering and erosion? • How are sedimentary rocks formed? • How are metamorphic rocks formed? • How are igneous rocks formed?

  25. Elaborate Rock Cycle Pictures and Arrows

  26. Evaluate Draw Your Own Rock Cycle Use the words below. The words may be used more than once. Igneous Rock Melting Lithofication Sedimentary Rock Magma Cementation Metamorphic Rock Cooling Compaction Heat and Pressure Pressure Weathering & Erosion Sediments