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Lesson 3 of 7 · Structure and Function

Lesson30 XP

What Makes an Ecosystem

🧪Lab Brief #3

Structure and Function.

🎯 Your mission

Master the concept. Use it tomorrow.

⚡ The twist

Nature loves to surprise the careful watcher.

🤯

Mind = Blown

🔬 The more you look, the more nature shows you.

🔮

Make a hypothesis first

Before you start: write down what you think will happen, and why.

What You'll Learn

Ecosystems include all the living and nonliving things in an area that interact with each other. A pond ecosystem includes fish, frogs, algae, water, rocks, and sunlight.

Key Words

Tap a word to see its definition.

Steps

Step 1Read

Look at the vocabulary words and write a definition for each in your own words.

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 ecosystem?

🌍

Where you see this in real life

This shows up in your everyday life more than you'd think.

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Stretch Challenge

Try this in real life this week.

Try one experiment in real life this week — even a tiny one.

👨‍👩‍👧

For the dinner table

What's the most surprising thing you learned today?

🎯

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

🦠Share card

Share this experiment

Send it to a parent who's looking for a 10-minute kitchen science win.

Ready?

What Makes an Ecosystem

Master the concept. Use it tomorrow.

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🖨️

Checkout complete lesson on Structure and Function for 4th Grade

Get the full Structure and Function track as a printable PDF — all lessons, worksheets, and answer keys.

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What Makes an Ecosystem — Structure and Function | 4th Grade Science | LittleActivity