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Water Properties of the Great Salt Lake
Fourth graders examine the ecosystem of the Great Salt Lake in this two-part instructional activity, completing a KWL chart before and after the field trip to the site. While there, they draw and write about their observations. To test...
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Bivalve Biology
Students place clams into a beaker containing saltwater. They place a small drop of food coloring just above the shell. Students observe the movement of the food coloring. Clams are then placed into clean beakers of saltwater with 24...
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Acute Toxicity: LD50 by the Numbers
Young scholars observe brine shrimp as they are affected by household cleaners, develop observation scale, collect and analyze data, and discuss how household products and pesticides negatively impact environment.
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Living Organisms as Indicators of Pollutants in Fresh Water Ecosystems
Students observe the effects of pollution on living organisms. In this pollution lesson plan, students observe fresh water Hydra and look at their structures and movement. They place samples of pond and lake water on the Hydra and...
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Exploring the Great Salt Lake
Third graders participate in a scavenger hunt, looking for things that are unique about the ecosystem in and around the lake. They observe and describe a variety of habitats and distinguish living and nonliving elements of...
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How Hot is Too Hot?
Fifth graders use the scientific method to conduct experiments on the temperature effects on organisms. In this temperature effects on organisms lesson plan, 5th graders observe and record the hatching or the developing of organisms into...
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Oolitic Sand: An Introduction
Fourth graders investigate the characteristics of different types of sand. They compare and contrast the types of sand by making observations with a dissecting microscope. Then students draw what is seen and include shape, color, and...
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Which Sand Contains The Most Salt?
Students investigate the salinity levels of sand samples taken from several different sources. They conduct tests and observations to measure the current salt levels. They develop a hypothesis from the experiment to determine the factors...
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Predator Or Prey?
Students study the concept of predator/prey by researching specific examples of birds. They participate in a concept map/webbing activity to determine different characteristics of birds. They engage in a class discussion about...
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Populations and Life Cycles
Students explore biology by researching ocean statistics. In this data analysis lesson, students conduct a snail examination experiment utilizing live pouch snails. Students collect data about the snails over the course of six weeks and...
Curated OER
LD50 of NaCl to Gammarus spp.
Students learn the meaning of LD50 through lecture and discussion. Through experiment, students graph and calculate the LD50 of salt on fresh water amphipods. Students compare results of the experiment with pesticides and pollutants.