26

Lesson 26 of 84 ยท Weathering and Erosion

Experimentโญ 30 XP๐ŸŒ‹ Rock Realm

River Systems and Watersheds

๐ŸงชLab Brief #26

Weathering and Erosion.

๐ŸŽฏ Your mission

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

โšก The twist

Today's mountain was yesterday's ocean floor.

๐Ÿคฏ

Mind = Blown

๐ŸŒ‹ There are 1,500 active volcanoes on Earth right now.

๐Ÿ”ฎ

Make a hypothesis first

Guess: where will the water go first?

What You'll Learn

Earth's magnetic field extends from the core into space, protecting us from solar wind. It creates the Van Allen radiation belts and causes auroras near the poles.

Key Words

  • earthquake
  • volcano

Materials Needed

  • clear container
  • rocks
  • sand
  • clay
  • water
  • plastic tray

Safety First

  • Do not look directly at the sun or bright lights.

Steps

Step 1 โ€” Read

Read about Weathering and Erosion and write down three key facts.

Step 2 โ€” Do

Create a model of the water cycle in a bowl: place warm water in a bowl, cover with plastic wrap, put ice on top, and observe condensation and precipitation.

Step 3 โ€” Observe

Draw a detailed diagram of what you observe.

Step 4 โ€” Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What is a glacier?

๐ŸŒ

Where you see this in real life

Today's weather, tomorrow's beach, next century's coastline โ€” all this.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Look at the sky for 5 minutes and try to predict tomorrow's weather.

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.

๐ŸŒShare card

Share this experiment

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

๐Ÿ–จ๏ธ

Checkout complete lesson on Weathering and Erosion for 4th Grade

Get the full Weathering and Erosion track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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River Systems and Watersheds โ€” Weathering and Erosion | 4th Grade Science | LittleActivity | LittleActivity