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Lesson 6 of 84 · Life Cycles

Experiment30 XP🌿 Wild Jungle

What Is an Ecosystem?

🧪Lab Brief #6

Life Cycles.

🎯 Your mission

Run the experiment. Find out what really happens.

⚡ The twist

What the body does in one minute is wilder than any cartoon.

🤯

Mind = Blown

🦠 You have more bacterial cells in your body than human cells.

🔮

Make a hypothesis first

Guess: how does the body solve this problem?

What You'll Learn

An ecosystem is all the living and non-living things in an area working together.

Key Words

Tap a word to see its definition.

Materials Needed

  • markers
  • tape
  • small pots
  • cotton balls
  • zip-lock bags
  • labels

Safety First

  • Keep small objects away from young children.
  • Work in a well-ventilated area when using vinegar or other strong-smelling substances.
  • Dispose of materials properly after the experiment.

Steps

Step 1Read

Read about Life Cycles with a partner or grown-up.

Step 2Do

Draw the life cycle of a butterfly: egg, caterpillar, chrysalis, butterfly. Label each stage.

Step 3Observe

Watch carefully. What happens?

Step 4Record

Draw and write about what you learned.

Check Your Understanding

Question 1

1 of 3

What is a food chain?

🌍

Where you see this in real life

Your own body is doing this thousands of times every second.

🏆

Stretch Challenge

Try this in real life this week.

Find one thing about your body that's different from a friend's. Wonder why.

👨‍👩‍👧

For the dinner table

Tell me something you noticed about your own body 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.

🖨️

Checkout complete lesson on Life Cycles for 2nd Grade

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

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What Is an Ecosystem? — Life Cycles | 2nd Grade Science | LittleActivity