Ecosystem Matter Cycles
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Objective
I can use a model to show how matter moves between plants, animals, decomposers, and the environment in an ecosystem.
Part 1 of 4
Warm-up video
Free School · 6:23Vetted channel
We don't generate video — this one is by Free School on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
An ecosystem includes all the living and non-living things that interact in a specific area.
- 2
Producers make their own food, consumers eat other organisms, and decomposers break down dead plants and animals.
- 3
Ecosystems can become imbalanced due to natural events or human activity, but they can often recover over time if given the chance.
Part 3 of 4
Practice
12 questions
What is an ecosystem?
Name three non-living parts of an ecosystem.
Part 4 of 4
Exit ticket
Quick comprehension check
“Draw a simple model that shows how energy and nutrients move between the sun, plants, a rabbit, and decomposers in a forest ecosystem. Label each part of your model.”
Sample answer included in the free materials
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Teacher guide, student handout, and slides — free, in Google Docs format
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