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In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust. Learners measure the volume of a test tube with a small amount of steel wool at the bottom before and after 2 days of rusting. They use this data to calculate the percent of oxygen in the air and average class data.
- Under 5 minutes
- 1 to 7 days
- 1 cent - $1 per student
- Ages 11 - 18
- Activity, Experiment/Lab Activity
- English
Quick Guide
Materials List (per student)
- Test tube (or any container)
- Clear glass of water
- Soap or vinegar
- Water
- Graduated cylinder
- Fine mesh steel wool (00 or finer)
- Tape or marker pen
Subjects
-
Earth and Space Science
-
Earth Structure
- Atmosphere
-
Earth Structure
-
Mathematics
-
Data Analysis and Probability
- Data Analysis
- Data Collection
- Measurement
- Number and Operations
-
Data Analysis and Probability
-
The Nature of Technology
-
The Design Process
- Problem Solving
-
The Design Process
-
Physical Sciences
-
Chemistry
- Oxidation-Reduction Reactions
- Motion and Forces
-
States of Matter
- Gases
-
Structure and Properties of Matter
- Elements and Periodic Table
- Volume and Density
-
Chemistry
-
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 hands-on or lab activities
Other
This resource is part of:
Access Rights:
- Free access
By:
- Muller, Eric
Rights:
- All rights reserved, , 2000