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Cycles of Matter

What do you think?

LESSON

LESSON INTRODUCTION

Get Ready

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.

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  • Carbon, nitrogen, and other types of matter are used by living things over and over again.
  • Clouds are made of water vapor.

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Cycles of Matter

Do you agree or disagree?

Get Ready

LESSON

LESSON INTRODUCTION

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Cycles of Matter

  • How does matter move in ecosystems?

Key Concepts/Essential Questions

LESSON

LESSON INTRODUCTION

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  • evaporation
  • condensation
  • precipitation
  • nitrogen fixation

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Cycles of Matter

Vocabulary

Watch out for these words!

LESSON

LESSON INTRODUCTION

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Cycles of Matter

Where does the water go?

Look at the photo at the beginning of the lesson. All water, including the water in this waterfall, can move throughout an ecosystem in a cycle. It can also change forms. What other forms do you think water takes as it moves through an ecosystem?

LESSON

LESSON INTRODUCTION

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Cycles of Matter

LESSON

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

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Cycles of Matter

Agree. Matter continuously cycles through ecosystems.

Do you agree or disagree?

Lesson Review

LESSON

LESSON WRAP-UP

Do you agree or disagree?

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Clouds are made of water vapor.

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Cycles of Matter

Disagree. Millions of tiny water droplets or crystals of ice, which have condensed around particles of dust, make up clouds.

Do you agree or disagree?

Lesson Review

LESSON

LESSON WRAP-UP

Do you agree or disagree?

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How does matter move in ecosystems?

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Cycles of Matter

Matter such as oxygen, nitrogen, water, carbon, and minerals moves in cycles in the ecosystem.

Key Concept/Essential Question Review

LESSON

LESSON WRAP-UP