Curated OER
Beans and Birds: A Natural Selection Simulation
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...
Curated OER
How Big is a Crowd?
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...
Curated OER
How Does Mining Produce Acid Runoff?
Learners 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.
Curated OER
ESL: Journalism Article Comprehension
In this ESL comprehension worksheet, students read a passage, then complete a variety of warm-up and pre/post reading activities. Homework suggestions are included.
Curated OER
Converting Metric Units and Prefixes
Learners investigate the length of various objects. In this measurement instructional activity, students convert one metric unit to another. They explain the importance of a uniform system of measurement.