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Igneous Pumice Rock By: Micaiah 4th grade rock web quest How can your rock be used? • • It forms through very rapid solidification of a melt Pumice is a light-colored vesicular igneous rock. What are minerals? • Rocks are called minerals . • Minerals are called rocks. What is a rock? • Most rocks are made of minerals. However, all rocks are not the same. That is why rock collecting is so interesting and fun. Every rock has its own story. • Rocks can be put into three basic rock types: igneous, sedimentary, and metamorphic. How a rock is formed determines which group it is placed in. What is the rock cycle? • Gradual and continuous change of rock in the earth's crust to igneous, sedimentary, or metamorphic rock What is Igneous? • Igneous rock formed when magma cools and solidifies beneath the earth's surface. Rock joke • What do you call a dog who collets rocks? • What do you do to a baby rock? • Where do rocks sleep? A rock star Rock hound Bedrock My birthstone • • • Amethyst, the gemstone believed by ancient Greeks and Romans to ward off the intoxicating powers of Bacchus, also is said to keep the wearer clear-headed and quick-witted. Throughout history, the gemstone has been associated with many myths, legends, religions, and numerous cultures. Today, while Brazil is the primary source of this gemstone, fine material can be found elsewhere, especially in Zambia. sources • • • Slide 2 How can your rock be used? http://geology.com/rocks/pumice.shtml http://www.ehow.com/about_5397664_pumice.html • • Slide 3 What is a rock? http://library.thinkquest.org/J002289/rocks.html • • Slide 4 What are minerals? http://library.thinkquest.org/J002289/minerals.html • • Slide 5 What is the rock cycle? http://library.thinkquest.org/J002289/cycle.html • • Slide 6 What is Igneous? http://library.thinkquest.org/J002289/igneous.html • • slide 7 a rock joke http://library.thinkquest.org/J002289/rocks.html