Chapter Introduction Lesson 1 Abiotic Factors

Chapter Introduction

Lesson 1 Abiotic Factors

Lesson 2 Cycles of Matter

Lesson 3 Energy in Ecosystems

Chapter Wrap-Up

How do living things and the nonliving parts of the environment interact?

What do you think?

Before you begin, decide if you agree or disagree with each of these statements. As you view this presentation, see if you change your mind about any of the statements.

Do you agree or disagree?

1. The air you breathe is mostly oxygen.

2. Living things are made mostly of water.

3. Carbon, nitrogen, and other types of matter are used by living things over and over again.

Do you agree or disagree?

4. Clouds are made of water vapor.

5. The Sun is the source for all energy used by living things on Earth.

6. All living things get their energy from eating other living things.

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