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Lesson 29 of 84 · Fossils

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Stalactites in Caves

🧪Lab Brief #29

Stalactites in Caves.

🎯 Your mission

Understand the idea. Then look for it everywhere.

⚡ 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

Stalactites hang from cave ceilings. They form from water dripping and leaving minerals behind.

Key Words

Tap a word to see its definition.

Steps

Step 1Read

Look at the picture and read the labels.

Step 2Do

Pour water on a pile of sand and a pile of rocks. Watch how the water flows differently.

Step 3Observe

Draw a picture of what you observe.

Step 4Record

Share your results with a partner.

Check Your Understanding

Question 1

1 of 3

What is a volcano?

🌍

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.

🖨️

Checkout complete lesson on Fossils for 2nd Grade

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

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Stalactites in Caves — Fossils | 2nd Grade Science | LittleActivity