Rocks are a natural resource. A rock is a hard, nonliving object from the ground. We use rocks to build things. Rocks can also be used to make useful products like jewelry or salt.

house made from rocks

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Active ReadingActive ReadingFind the sentence that tells the meaning of rock. Draw a line under the sentence.

Rocks

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Soil is a natural resource, too. Soil is made up of small pieces of rock and once-living things. It is the top layer of Earth. We use soil to grow plants. We can also use it to make useful products. Soil can be made into bricks for building.

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Identify two natural resources on these pages.

Soil

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S.T.E.M. Activity

S.T.E.M. Activity one hundred one 101

Chapter 6Rocks and SoilDevelop Vocabulary1. Write the definition using your own words.

rock:

soil:

Develop Concepts2. What useful products are made from rocks? Why do you think

rocks make a good building material?

3. What is soil? What does it look and feel like? What useful products does soil help make?

Use with ScienceFusion pages 182–183.

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Do the Math!4. Marvin made a chart of the things he found. He found

23 things that come from plants, 15 things that come from animals, 54 things that come from rocks, and 38 things that come from something else.

Comes from plants

Comes from animals

Comes from rocks

Comes from something else

23 15 54 38

Marvin found 23 things that come from plants. Draw a quick picture to show the number. Write how many tens and ones there are.

tens ones

5. Marvin found 54 things that come from rocks. Draw quick pictures to show 54 two different ways.

Summarize6. Why do we say that rocks and soil are natural resources?

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