California Science: Interactive Text Grade 2 (Student - download pdf or read online

By McGraw-Hill

ISBN-10: 0022859993

ISBN-13: 9780022859992

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Quick Check 8. Draw a picture that shows one way a rock can change. Label your picture and write a sentence about it. com 57 Chapter 3 • Lesson 2 Lesson 3 Soil What is in soil? Soil is made up of tiny rocks and bits of plants and animals. Weathering makes large rocks break down into smaller rocks. They become part of the soil. When plants and animals die, they also break down and become part of the soil. leaf Soil snail rock Read a Diagram 58 Earth’s Materials Most plants grow in soil. Plants grow by taking in minerals from the soil.

Com 57 Chapter 3 • Lesson 2 Lesson 3 Soil What is in soil? Soil is made up of tiny rocks and bits of plants and animals. Weathering makes large rocks break down into smaller rocks. They become part of the soil. When plants and animals die, they also break down and become part of the soil. leaf Soil snail rock Read a Diagram 58 Earth’s Materials Most plants grow in soil. Plants grow by taking in minerals from the soil. People need minerals to grow, too. One way we get minerals is by eating plants.

A Pyrite’s luster and color make it look like gold. A Some minerals, like quartz, shine like glass. A The mineral halloysite does not shine. It has a dull luster. 52 Earth’s Materials Another property of a mineral is its hardness. Hardness is how tough a mineral is. Talc is a soft mineral. You can scratch it with your fingernail. Diamond is a hard mineral. It can only be cut by another diamond. A Talc is the softest mineral. D Diamond is the hardest mineral. Quick Check 4. List three properties of minerals.

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California Science: Interactive Text Grade 2 (Student Edition) by McGraw-Hill


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