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Learners build models of sinkholes to gain an intuitive knowledge of their physical aspects. They construct a model of the geology of a sinkhole in a terrarium using sugar and sand to represent the different types of soil. They then saturate the model so the sugar dissolves and the sinkhole appears. They also can use a spray bottle to simulate the addition of a well to the system that drains out groundwater, causing the sinkhole to open wider. The lesson plan includes handouts, background information, and suggested extension activities.
- 30 to 45 minutes
- 10 to 30 minutes
- $1 - $5 per group of students
- Ages 8 - 11
- Activity, Lesson/Lesson Plan, Model
- English
Quick Guide
Materials List (per group of students)
- Small containers (old yogurt containers, Styrofoam cups, or other containers, clear containers work best)
- Large container that the small container can fit into
- 78mm X 78mm Post It™ notes (2 7/8” X 2 7/8”)
- Granular sugar
- Abrasive pads
- Large straws or funnel
- Sand
- Pump spray-bottles
- Materials to photocopy: Science Background and Student Procedure (1 per student)
- Optional: Clay, potting soil, or gravel
Subjects
-
Earth and Space Science
-
Earth Processes
- Geochemical Cycles
-
Earth Structure
- Rocks and Minerals
- Oceans and Water
-
Earth Processes
-
The Nature of Technology
-
Technology and Society
- Impacts of Technology
-
Technology and Society
Informal Categories
- Model Building
- Nature and Environment
Audience
To use this activity, learners need to:
- see
- touch
Learning styles supported:
- Involves teamwork and communication skills
- Involves hands-on or lab activities
Other
Includes alignment to state and/or national standards:
Access Rights:
- Free access
By:
Rights:
- All rights reserved, OMSI, 2006
Funding Source:
- NASA