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Lesson 26 of 84 · Ecosystems

Experiment30 XP🌿 Wild Jungle

Coral Reef Communities

🧪Lab Brief #26

Ecosystems.

🎯 Your mission

Run the experiment. Find out what really happens.

⚡ The twist

Every species solves the same problem differently.

🤯

Mind = Blown

🌳 Trees can talk to each other through underground fungus networks.

🔮

Make a hypothesis first

Before you watch: what do you think it'll do?

What You'll Learn

Seeds contain a tiny plant embryo and a food supply. When conditions are right—enough water, warmth, and oxygen—the seed germinates and a new plant begins to grow.

Key Words

  • species
  • organism
  • habitat

Materials Needed

  • cotton balls
  • zip-lock bags
  • labels
  • seeds
  • soil
  • cups

Safety First

  • Protect your work surface with newspaper or plastic.
  • Adult supervision recommended.

Steps

Step 1Read

Read about Ecosystems and write down three key facts.

Step 2Do

Create a detailed food web for a local ecosystem. Include at least 8 organisms and use arrows to show energy flow from producers to top predators.

Step 3Observe

Draw a detailed diagram of what you observe.

Step 4Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What is an adaptation?

🌍

Where you see this in real life

This is why plants grow toward windows and why scabs form.

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Stretch Challenge

Try this in real life this week.

Watch a plant or pet for 5 minutes today and write down what you noticed.

👨‍👩‍👧

For the dinner table

Tell me something you noticed about your own body today.

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Next Smart Experiment

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🖨️

Checkout complete lesson on Ecosystems for 4th Grade

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