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Lesson 5 of 7 · Structure and Function

Experiment30 XP

The Frog Life Cycle

🧪Lab Brief #5

Structure and Function.

🎯 Your mission

Set it up. Test it. Be amazed.

⚡ 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

The life cycle of a frog includes egg, tadpole, tadpole with legs, froglet, and adult frog. This process of metamorphosis takes several weeks to months depending on the species.

Key Words

Tap a word to see its definition.

Materials Needed

  • soil
  • water

Safety First

  • Wash your hands thoroughly afterwards and keep the material away from your face.
  • Mop up spills straight away so nobody slips, and keep liquids away from sockets.
  • Check glassware for chips before use and carry it with both hands.

Steps

Step 1Read

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

Step 2Do

Build a model ecosystem in a jar using soil, small plants, and water. Seal it and observe how the water cycle works inside it for one week.

Step 3Observe

Note any unexpected results and think about why they happened.

Step 4Record

Share your findings with the class or a partner and discuss what you learned.

Check Your Understanding

Question 1

1 of 3

Which stage comes after a caterpillar in metamorphosis?

🌍

Where you see this in real life

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

🏆

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?

The Frog Life Cycle

Set it up. Test it. Be amazed.

Full screen — no distractions

🖨️

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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The Frog Life Cycle — Structure and Function | 4th Grade Science | LittleActivity