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Published byGwendolyn Bennett Modified over 8 years ago
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Students will: -identify the characteristics of minerals. -explain how minerals are classified into groups. -identify which mineral group is most common
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Decide if these statements are true. If not, correct them. 1. Latitude is a distance in degrees north or south of the equator. 2. Convection requires touch while conduction requires heat rising and cool air sinking. 3. Rocks and minerals are the same.
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Decide if these statements are true. If not, correct them. 1. Latitude is a distance in degrees north or south of the equator. True 2. Convection requires heat rising and cool air sinking. Conduction requires touch. 3. Rocks and minerals are different.
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We use minerals everyday Minerals are found in many things in the house and classroom.
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4 characteristics of minerals: Forms in nature Is a solid Has a definite chemical composition Has a crystal structure mineral-a substance that forms in nature, is a solid, has a definite chemical composition and a crystal structure
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element—a substance that contains only one type of atom crystal—a solid in which the atoms are arranged in an orderly repeating 3D pattern.
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forms by a natural process, a cycle a mineral cannot be a liquid or gas each mineral has a specific combination of elements. Some minerals have the same composition, but their structure differs. Example: graphite and diamond are both made up of only carbon, but differ in their structure.
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Minerals are grouped by what they are made of (what they are composed of..) Some groups include: › Silicates make up about 90% of the rocks in Earth’s crust. › Carbonates › Oxides
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Rocks and minerals are not the same! › Minerals have 4 characteristics while rocks only have 2 › Structure is different: minerals always have the same elements in the same proportion, rocks do not. › Crystal structure: minerals have an orderly structure, rocks are jumbled together. rock—a naturally formed solid that is usually made up of one or more types of minerals
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