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1. Extrusive igneous rocks usually are fine-grained with few crystals, while intrusive igneous rocks have large crystals and are coarse-grained. 2. Sedimentary rocks are usually less compacted than layered metamorphic rocks, which have undergone tremendous amounts of pressure. Ola Ka Honua: Volcanoes Alive 190 ©2001, 2007 UAF Geophysical Institute
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Preview and Download !2.03 Explain how rocks are composed of minerals. B2 2.04 Show that different rocks have different properties. B3 2.05 Discuss and communicate the uses of rocks and minerals. B2 2.06 Classify rocks and rock-forming minerals using student made rules. B2 2.07 Identify and discuss different rocks and minerals
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Preview and Download !orientation of minerals is metamorphic. The characteristics scientists look for include: 1. The nature of the mineral grains, composi- ... help you classify rocks. Worksheets Pass out the Rock Classification worksheet (pg. 3-5 Rocks Rock Workbook or Appendix 1). Have the students try to classify the rocks by the pictures.
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Preview and Download !Rocks and Minerals Rocks and Minerals Rocks and Minerals Rocks and Minerals Scavenger Hunt Scavenger Hunt Scavenger Hunt Scavenger Hunt Melted rock outside the earth is called lava. Just like magma, lava can harden to form igneous rock. A mineral with a repeating geometric pattern of particles is called a crystal. Rocks that fall onto the surface
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Preview and Download !Rocks and MineralsTypes of Rocks gneiss 5) conglomerate 4) pumice 6) obsidian 2) schist 1) limestone 3) sandstone 8) basalt 7) slate 9) gypsum 10) granite 12) marble 11) Name : Printable Worksheets @ www.mathworksheets4kids.com Answer Key Identify and label each rock as igneous, sedimentary, or metamorphic as appropriate.
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Preview and Download !3. freezing and thawing cycle that causes potholes in roads and breaks in rocks 4. mixture of weathered rock, organic matter, water, and air 5. acid produced by some plant roots 6. weathering that breaks down rocks without changing them chemically 7. acid formed from water mixing with carbon dioxide 8. caused by chemical reaction of iron and oxygen
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Preview and Download !applied to the rock causing the minerals inside the rock to change. Igneous rocks are formed underground when melted rock ( magma ) deep below the Earth s surface becomes trapped in small areas underground.
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Preview and Download !rocks, dead plants, and animal skeletons. Sedimentary rocks 9) is an example of metamorphic rocks.Schist 10) is the molten or semi-molten natural material below or within the earth's crust. Magma Diamond is the hardest mineral. Rocks and Minerals Fill in the blanks using appropriate words or phrases from the box. PREVIEW www.mathworksheets4kids.com
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Preview and Download !Minerals have to be naturally created or else they are classified as man-made substances. Rocks are combinations of minerals. Minerals are important for several reasons. Some groups of minerals indicate the temperatures and pressures at which they were created, and can be used to interpret the history of the rocks. Minerals are economically
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Preview and Download !contain green minerals (actinolite + epidote +/- chlorite) gi ving it a green appearance. Formed through medium grade burial of basalt/gabbro. (Can also contain hornblende + plagioclase +/- garnet.) Gneiss Granite/rhyolite, shale B, R, S High Grains medium to coarse; li ght and dark minerals segregated into bands. Gneissic texture.
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