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In this activity, learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water. Using a scale and a simple calculation, learners can determine the amount of water held by a material, in reference to its original weight. Relates to the linked video, DragonflyTV GPS: Bogs.
- Under 5 minutes
- 1 to 2 hours
- $5 - $10 per group of students
- Ages 8 - 14
- Activity, Experiment/Lab Activity
- English
Quick Guide
Materials List (per group of students)
- potting soil, about 1 pound per pair of learners
- sphagnum moss, from a garden supply store
- sand
- 16 oz plastic cups, 3 per pair of learners
- water
- a scale, capable of registering up to 5 pounds
Subjects
-
Earth and Space Science
-
Earth Structure
- Rocks and Minerals
- Oceans and Water
- Biosphere
-
Earth's History
- Geologic Time
-
Earth Structure
-
Life Sciences
-
Diversity of Life
- Plants
-
Diversity of Life
-
Mathematics
-
Algebra
- Equations and Inequalities
-
Data Analysis and Probability
- Data Analysis
- Data Collection
-
Measurement
- Units of Measurement
-
Number and Operations
- Decimals
- Multiples and Factors
-
Algebra
-
The Nature of Technology
-
The Design Process
- Problem Solving
-
The Design Process
-
Physical Sciences
-
Structure and Properties of Matter
- Mass and Weight
- Volume and Density
-
Structure and Properties of Matter
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
- Gathering Data
-
The Scientific Process
Informal Categories
- Nature and Environment
Audience
To use this activity, learners need to:
- see
- read
- touch
Learning styles supported:
- Involves teamwork and communication skills
- Involves hands-on or lab activities
Other
Components that are part of this resource:
This resource is part of:
Access Rights:
- Free access
By:
Source Collection
- DragonflyTV
Rights:
- All rights reserved, Twin Cities Public Television, Inc., 2006
Funding Source:
- National Science Foundation, 515566