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Three Dimensional Geology
This lesson plan uses a classroom activity to apply geological concepts to a real-life problem solving situation. This classroom activity can easily be adapted for elementary, secondary, middle school, and university level students. |
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Mohs Hardness Scale and Testing One of the most important tests for identifying mineral specimens is the Mohs Hardness Test. It compares the resistance of a mineral to being scratched by ten reference minerals known as the Mohs Hardness Scale. |
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Acid Testing Rocks To most geologists, the term "acid test" means placing a drop of dilute (5% to 10%) hydrochloric acid on a rock or mineral and watching for bubbles of carbon dioxide gas to be released. |
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Geologic Time Scale This printable geologic time scale is easy to understand and is not too complex. This time scale is a word document that can easily be customized for any earth and space science teacher's needs. |
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Geodes This lesson plan demonstrates the formation of crystals in a geode through a classroom activity. This demonstration is a good way to introduce and expand the idea of crystals for elementary, secondary, middle school, and university level students. |
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Coal Through a Microscope If you think that coal is a boring black rock then you have never seen it through a transmitted light microscope. The microscope reveals coal's hidden beauty as well as its composition. |
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Sugar Cube Rock Cycle This lesson plan lets students develop an understanding for the processes of the rock cycle through sugar cubes. This classroom activity can be used to demonstrate the rock cycle for elementary, secondary, middle school, and university level students. |
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Mining in Texas This lesson plan is a good way to demonstrate the extraction of nonrenewable minerals. This classroom activity can be expanded for helping elementary, secondary, middle school, and university students understand this topic. |
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The Most Difficult Rocks to Identify
An experienced geologist admits that he is seriously challenged when students bring him rocks to identify. The article includes tips for dealing with student specimens that can't be identified with confidence. |
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Rock Cycle Activity This lesson plan uses a fun classroom activity to demonstrate the changes that rocks undergo in the rock cycle. Minor modifications make this activity appropriate for elementary, secondary, middle school, and university students. |
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What Earth materials are in My Car? This lesson plan requires students to investigate the minerals that are used in the manufacturing of vehicles. This classroom activity is appropriate for elementary, secondary, middle school, and university level students with minor modifications. |
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Real Fake Rocks This lesson plan involves a classroom activity that helps students understand how rocks are formed by creating their own look-a-like rock. This classroom activity is useful for elementary, secondary, middle school, and university students. |
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Toothpaste with a Twist This lesson plan gives students a project to create a product out of minerals. This classroom activity can be used to introduce or expand minerals for elementary, secondary, middle school, and university level students. |
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Fast Crystallization This lesson plan gives students the ability to investigate the speed of mineral crystallization by creating their own crystals. This classroom activity can be adapted for elementary, secondary, middle school, and university students. |
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Rock, Mineral and Fossil Kits
Get a rock, mineral or fossil kit to teach your students about earth materials and how to identify them. We offer nine different kits in various sizes. |
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Free Graph Paper and Free Maps
Your students can get free printable graph paper, printable maps, printable calendars and more at Waterproof Paper.com, a website affiliated with Geology.com.. |
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OpenCourseWare Search
Several universities publish their course materials for free online, under the OpenCourseWare Initiative. Here is a search engine to find them. |
More from Geology.com

| Sunstone: A feldspar with aventurescence caused by light reflecting from platy inclusions. |
| Rocks: Photos of igneous, sedimentary and metamorphic rocks. |
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| Minerals: The building blocks of our society. We use items made with minerals every day. |
| Volcanoes: Articles about volcanoes, volcanic hazards and eruptions past and present. |
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