43

Lesson 43 of 84 ยท Climate

Experimentโญ 30 XP๐ŸŒ‹ Rock Realm

The Rock Cycle (Part 2)

๐ŸงชLab Brief #43

The Rock Cycle (Part 2).

๐ŸŽฏ Your mission

Set it up. Test it. Be amazed.

โšก The twist

The slowest changes are the biggest ones.

๐Ÿคฏ

Mind = Blown

๐Ÿชจ Every grain of sand on every beach used to be a mountain.

๐Ÿ”ฎ

Make a hypothesis first

Predict: which will erode faster?

What You'll Learn

Erosion moves weathered rock and soil from one place to another by water, wind, ice, or gravity. Rivers carve valleys, wind shapes sand dunes, and glaciers grind mountains.

Key Words

  • fossil
  • mineral

Materials Needed

  • thermometer
  • rain gauge
  • cotton balls
  • food coloring
  • clear container

Safety First

  • Handle glass items carefully to avoid breakage.
  • Do not mix unknown chemicals together.

Steps

Step 1 โ€” Read

Read the introduction and identify the main idea of this lesson.

Step 2 โ€” Do

Investigate soil layers: fill a jar with soil and water, shake it, and let it settle overnight. Identify the layers of clay, silt, sand, and organic matter.

Step 3 โ€” Observe

Observe what happens and describe it in detail.

Step 4 โ€” Record

Record your observations in your science journal with measurements and descriptions.

Check Your Understanding

Question 1

1 of 3

What is the rock cycle?

๐ŸŒ

Where you see this in real life

This is shaping the ground you walk on, slowly, every single day.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Find a rock outside and try to guess how old it is.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œWhat's the slowest change you can think of?โ€

๐ŸŽฏ

Next Smart Experiment

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

๐Ÿ’งShare card

Share this experiment

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

๐Ÿ–จ๏ธ

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