Weathering: Where Does Sand Come From?
Summary
Grade Range
4th
Group Size
2 students
Active Time
60 minutes
Total Time
60 minutes
Area of Science
Geology
Key Concepts
Weathering, rocks, forces of nature
Credits
Sabine De Brabandere, PhD, Science Buddies
Sandra Slutz, PhD, Science Buddies Alumni
Video narration by Jennifer E Paz
Pricing
Free for a limited time thanks to individual donors
Overview
In this lesson, students explore weathering—the wearing away of rock by exposure to the elements. They learn how it creates smooth boulders, rounded pebbles, sinkholes to swim in, and caves to explore. In the activity, they explore the connection between weathering and sand using sugar cubes.
Learning Objectives
- Investigate how forces of nature contribute to the weathering of rock.
- Explain what weathering is and how it occurs.
Materials
Per group:
- Sugar cubes (4)
- Dark colored paper
- Transparent cup
- Tray
- Dropper
- Water
Per student:
Prep Work (10 minutes)
Gather the materials. Have one or more containers of water ready so each group can fill their dropper.
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