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Lesson Plan
Curated OER

Beans and Birds: A Natural Selection Simulation

For Teachers 9th - 10th
Students examine the problem concerning the evolution of seed color in pinto bean plants "How does natural selection change the frequency of genes or traits over many generations"? Students work in teams to design an experiment that...
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Lesson Plan
Curated OER

How Big is a Crowd?

For Teachers 6th
Sixth graders compare the relative sizes of the five Great Lakes and their human populations. They describe some of the problems that arise when many people depend on a limited resoure. Students discuss how the Great Lakes and the...
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Lesson Plan
Curated OER

How Does Mining Produce Acid Runoff?

For Teachers 7th - 12th
Students examine how mining and other industry operations can lead to acid runoff.  In this mining lesson students study weathering and complete a lab on it. 
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Worksheet
Curated OER

ESL: Journalism Article Comprehension

For Students 6th - 9th
In this ESL comprehension activity, students read a passage, then complete a variety of warm-up and pre/post reading activities. Homework suggestions are included.
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Lesson Plan
Curated OER

Converting Metric Units and Prefixes

For Teachers 10th - 12th
Students investigate the length of various objects. In this measurement lesson plan, students convert one metric unit to another. They explain the importance of a uniform system of measurement.
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Activity
Exploratorium

Exploratorium: Science Snacks: Conductivity Meter

For Students 9th - 10th
Create a conductivity meter with everyday materials in this activity. This conductivity meter is portable and allows students to test the conductivity of liquids easily.
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Activity
TeachEngineering

Teach Engineering: What's the Conductivity of Gatorade?

For Teachers 9th - 10th
Students use conductivity meters to measure various salt and water solutions, as indicated by the number of LEDs (light emitting diodes) that illuminate on the meter. Students create calibration curves using known amounts of table salt...
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Lesson Plan
TeachEngineering

Teach Engineering: Should I Drink That?

For Teachers 9th - 10th
Students perform the first steps that environmental engineers do to determine water quality - sampling and analysis. Student teams measure the electrical conductivity of four water samples using teacher-made LED conductivity testers and...