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Lesson 4 of 84 ยท Earth Systems

Lessonโญ 30 XP๐ŸŒ‹ Rock Realm

Erosion: Moving Earth's Surface

๐ŸงชLab Brief #4

Earth Systems.

๐ŸŽฏ Your mission

Master the concept. Use it tomorrow.

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

Wind forms when the sun heats Earth's surface unevenly, creating pressure differences. Air moves from high pressure to low pressure areas, and Earth's rotation curves the wind paths.

Key Words

  • erosion
  • weathering
  • sediment

Steps

Step 1 โ€” Read

Review the background information on Earth Systems before starting.

Step 2 โ€” Do

Build a working model of a volcano using baking soda and vinegar. Observe the eruption and explain what causes real volcanic eruptions.

Step 3 โ€” Observe

Look for patterns in your observations.

Step 4 โ€” Record

Make a graph or chart showing your results.

Check Your Understanding

Question 1

1 of 3

What is erosion?

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.

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 Earth Systems for 8th Grade

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

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Erosion: Moving Earth's Surface โ€” Earth Systems | 8th Grade Science | LittleActivity | LittleActivity