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Exploring Rocks and Minerals Video Lecture | Science for ACT

FAQs on Exploring Rocks and Minerals Video Lecture - Science for ACT

1. What are the differences between rocks and minerals?

Ans. Rocks are made up of minerals, which are naturally occurring inorganic substances with a specific chemical composition. Rocks, on the other hand, are solid aggregates of one or more minerals.

2. How are rocks and minerals formed?

Ans. Rocks are formed through processes like cooling of magma or lava, compression and cementation of sediments, or by metamorphism. Minerals are formed through crystallization from magma, precipitation from water, or through metamorphism.

3. What are some common examples of rocks and minerals?

Ans. Common rock examples include granite, basalt, limestone, and sandstone. Some common mineral examples include quartz, feldspar, mica, and calcite.

4. How can you identify different rocks and minerals?

Ans. Rocks can be identified based on their color, texture, and mineral composition. Minerals can be identified based on their physical properties such as color, hardness, luster, and cleavage.

5. Why are rocks and minerals important to study?

Ans. Rocks and minerals provide valuable information about the Earth's history, geologic processes, and resources. Studying them can help us understand the environment, extract valuable resources, and even uncover clues about past life on Earth.

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Oct 12, 2025 Last updated

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