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Earth's Structure
unit 6
| Question | Answer |
|---|---|
| mineral | a naturally formed, inorganic solid with a crystalline structure |
| element | a substance that cannot be separated or broken down into simpler substances by chemical means; all atoms of an element have the same atomic number |
| atom | the smallest unit of an element that maintains the properties of that element |
| compound | a substance made up of atoms or ions of two or more different elements joined by chemical bond |
| matter | anything that has mass and takes up space |
| crystal | natural solid substance that has a definite geometric shape |
| streak | the color of a mineral in powdered form |
| luster | the way in which a mineral reflects light |
| cleavage | in geology, the tendency of a mineral to split along specific planes of weakness to form smooth, flat surfaces |
| weathering | he natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks ( |
| erosion | the process by which wind, water, ice, or gravity transports soil and sediment from one location to another |
| deposition | the process in which material is laid down |
| igneous rock | rock that forms when magma cools and solidifies |
| sedimentary rock |
Created by:
Ayah lightbourne