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Questions
State two points of distinction between rocks and minerals.
State two differences between rocks and minerals.
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Solution
| Rocks | Minerals |
| Rocks contain minerals. | Minerals do not contain rocks. |
| Rocks are the aggregates of minerals and other rock material. | Minerals are the compounds of pure elements with a definite chemical composition. |
| Three chief types of rocks are igneous, sedimentary, and metamorphic. | Four chief mineral groups are silicates, carbonates, sulfides, and metallic minerals. |
| Example: Granite, sandstone, slate, and quartz. | Example: Iron, silicon, magnesium, nickel, calcium, potassium, sodium. |
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Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
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Why are crystalline rocks called so?
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
