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4th Grade Science
Ecosystems
6. Interactions
Matter Cycles, Water, carbon, nitrogen cycles
Discover How Water, Carbon, and Nitrogen Cycle Through Earth
You will explore the amazing journeys that water, carbon, and nitrogen take through Earth's air, soil, water, and living things to keep our planet healthy.
What You'll Learn
You will learn how matter cycles continuously through Earth's ecosystems.
You will explore evaporation, condensation, precipitation, and runoff steps.
You will discover how carbon moves through plants, animals, and decomposers.
You will understand nitrogen fixation and why bacteria are so important.
What You'll Practice
1
You will identify key terms like transpiration, decomposition, and combustion.
2
You will answer questions about how water, carbon, and nitrogen move.
3
You will explain how decomposers and bacteria support all three cycles.
Why This Matters
Understanding matter cycles helps you see how water, carbon, and nitrogen keep all living things on Earth connected and alive.
This Unit Includes
Practice exercises
Learning resources
Skills
Water Cycle
Carbon Cycle
Nitrogen Cycle
Decomposition
Photosynthesis
