1. Self Starters November

2. a5. Which best finishes this analogy: An egg is to a cake what at mineral is to a _____. A. atom B. cell C. streak D. rock

3. b11. Why are rocks and minerals necessary to our civilization? A. for jewelry and decoration B. to build machines and buildings C. to make our food and water from D. to make into clothing and shoes.

4. b6. Which of the following processes are required in the formation of all igneous rock? A. Complete melting B. Erosion C. Deposition D. Compaction

5. a4. Which assumption must scientists make about the rock cycle? A. igneous rocks cannot change into other rocks because they are already changed. B. rocks are formed in Earth’s center and rise to the crust to form the soil. C. igneous rocks form in volcanoes and then erode to form metamorphic rocks. D. rocks in ancient times weathered, eroded and deposited as they do today.

6. c12. A sample of rock has visible foliations (bands) of alternating dark and light colored crystals. Which type of rock is the sample? A. igneous B. sedimentary C. metamorphic D. Not enough information to answer.

7. c14. A sample of rock has no visible foliations (bands) or crystals but does contain gas bubbles. Which type of rock is the sample? A. igneous B. sedimentary C. metamorphic D. Not enough information to answer.

8. c15. How are igneous rocks grouped? A. by the shape and size of the rock sample B. by how quickly the molten magma cooled C. by the place in the world the sample was found. D. by whether there are layers or bands of crystals

9. a1. Why are sedimentary rocks often formed in large, flat layers? A. Flat layers are formed whenever magma flows outward from Earth. B. Sediments find flat surfaces on Earth to collect. C. Sediments usually collect on Earth’s surface as flat deposits. D. Heat and pressure cause sediments to flatten out into sheets.

10. b4. According to scientific assumptions, which rock layers in the Grand Canyon will usually contain older fossils? Those found: A. nearer to the surface or the top of the canyon. B. at the edge of a cliffs. C. in rock layers located half way down the canyon. D. in the rock layers located deep in the canyon.