83

Lesson 83 of 84 · Life Cycles

Experiment30 XP🌿 Wild Jungle

Earthworms Help the Soil (Part 3)

🧪Lab Brief #83

Life Cycles.

🎯 Your mission

Predict it first. Then prove yourself right (or wrong).

⚡ The twist

Living things break the rules of non-living things — find the rule they break.

🤯

Mind = Blown

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

🔮

Make a hypothesis first

Predict: what will happen to the plant if you change the water?

What You'll Learn

Earthworms help soil by digging tunnels that let air and water reach plant roots.

Key Words

Tap a word to see its definition.

Materials Needed

  • magnifying glass
  • paper towels
  • markers

Safety First

  • Use materials only as directed in the experiment.
  • Keep small objects away from young children.
  • Work in a well-ventilated area when using vinegar or other strong-smelling substances.

Steps

Step 1Read

Read the introduction. What is this lesson about?

Step 2Do

Sort animal picture cards into groups: animals with fur, feathers, or scales.

Step 3Observe

Look for something that changed. What is it?

Step 4Record

Circle the correct answer on your worksheet.

Check Your Understanding

Question 1

1 of 3

What does a caterpillar turn into?

🌍

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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Earthworms Help the Soil (Part 3) — Life Cycles | 2nd Grade Science | LittleActivity