Curated OER
Milk Makes Me Sick
Learners experiment with lactase to find out how milk sugar is broken down in the body. In this enzyme lesson, students use glucose strips to investigate the breakdown of lactose into glucose and galactose for milk digestion in the human...
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Be a Watershed - Create a Living River
Students investigate water ways by conducting an experiment with classmates. In this natural resources lesson, students define a watershed and identify where large ones are located within the United States. Students utilize...
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How Does Whale Blubber Work?
Learners perform an experiment to find out how whale blubber keeps whales warm in cold temperatures. They use Ziploc bags lathered in shortening to simulate whale blubber. They put their hands in cold water, both with and without the bags.
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Changes at Log City
Students draw three different murals of a rotting log. In this science lesson, students draw a rotting log including organisms found, one with the decomposers left behind, and the third predictions as to what they log will look...
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Go Jump In The Lake!
Middle schoolers experiment with local lake water to determine the health of the lake waters. They explore the human impact on the lake water, hypothesize and share inferences in a scientific report.
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Genetic Engineering
Learners are introduced to the concept of genetic engineering. In groups, they participate in a variety of experiments, in which they analyze the effect of chemicals on different substances. Using the internet, they research gossypol,...
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Operation Mexfly
Students research information about pesticides. Students discuss the history of the Mexican fruit fly. They experiment to discover malathion concentration levels in organisms. Students explore the effect of toxins at the top of the...
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Pond 1: Pond Life
Students work together to investigate familiar and unfamiliar ecosystems. Using the internet, they discover how different organisms use their environment to satisfy their needs. They also examine the relationshiops between organisms...
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How Do We Breathe?
Students study the structure of the lungs. In this lung structure lesson, students use lung models to study the structure of lungs and experiment to measure the amount of air in the lungs.
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Here Comes the Rain
Second graders help to prepare a model of the water cycle before the conduction of this experiment. They use the model in order to observe changes that happen to water when it changes states of matter.
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Come to Mommy
Fourth graders participate in a simple experiment to illustrate the concept of mother bats identifying their young. They sniff stickers in order to imitate the behavior of mother bats in the wild.
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Elodea Lab
Students observe the changes between elodea leaves placed in darkness and light. In this life science instructional activity, students experiment to find evidence of photosynthesis in elodea leaves. Students use indicators to...
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Comparison of Protein Sequences From Two Samples of Crabmeat Using Gel Electrophoresis As an Introduction To the Biotechnology Lab
Students discover that proteins that are the product of DNA translation are different for different species. They determine that by analyzing their mass and charge they can differentiate between two different species. They use some of...
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What Every 4-H Leader Should Know
Designed as an overview of the benefits of a 4-H program, this presentation, created by faculty from Purdue University, would provide a terrific introduction. Those who are interested in starting a 4-H group or club could explore the...
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Design a Bobsled
Students apply their knowledge of friction, drag, mass and gravity as they design, build, and test mini-bobsleds.
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Quality Control at Kality Krunchers Dill Pickle Factory
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the lesson requires...