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Changes Over Time, Rapid and slow changes

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Overview

Grade 3
Earth Systems
9. Landforms
9.3 Changes Over Time, Rapid and slow changes

Rapid and Slow Changes: How Earth's Landforms Are Always Changing

You will discover how powerful forces like volcanoes, floods, erosion, and glaciers constantly reshape Earth's surface through both fast and slow changes.


What You'll Learn

You will learn that landforms are natural features on Earth's surface.
You can identify rapid changes like volcanoes, floods, and earthquakes.
You will discover slow changes like erosion, weathering, and glacier movement.
You will understand how deposition builds new landforms over long time.

What You'll Practice

1

You will match landform change processes to their correct speed category.

2

You will identify and define key terms like erosion, weathering, and deposition.

3

You will answer questions comparing rapid and slow Earth surface changes.

Why This Matters

Understanding rapid and slow landform changes helps you explain how Earth's surface is shaped by natural forces and prepares you to think like a scientist about the world around you.

This Unit Includes

1 Video lesson
Practice exercises
Learning resources

Skills

Rapid Changes
Slow Changes
Erosion
Weathering
Deposition
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