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Discover the three types of rocks and how each was formed.
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Compare the distinct properties of rocks (e.g. color, layering and texture). |
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Explain that rocks are composed of minerals (e.g. granite is made up of the minerals feldspar, quartz and mica or hornblende). |
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Observe and investigate that sedimentary rocks are usually found in layers. |
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Describe that most of the rock layers formed in Ohio were formed in warm, shallow seas. |
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Observe and explore how fossils found in Ohio's rocks provide evidence about the animals and plants that lived long ago. |
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Use examples to explain that extinct organisms may resemble organisms that are alive today. |
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Observe and describe the composition of soil (e.g. small pieces of rock and decomposed pieces of plants and animals, and products of plants and animals). |
