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What are the Chemical and Microbiological Effects of Run-off from a Catfish Pond on the Surrounding Soil and Water?
Students study data from a USDA catfish pond. They look for microbial populations and chemical concentrations in the runoff to determine the effectiveness of filter strips. They use their knowledge of biogeochemical cycles to explain the...
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Cool Activities: Make Slime
Students analyze chemistry by conducting an in-class experiment. In this slime lesson, students discuss what slime is and what form of matter it qualifies as. Students utilize borax, glue, water, cups, food coloring and plastic bags to...
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The Hazardous Waste Dilemma
Students discuss the characteristics of a hazardous waste site and how they can cause health problems to humans. In groups, they research the various ways to deal with the hazardous materials and read recent articles on the subject. To...
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Acute Toxicity: LD50 by the Numbers
High schoolers 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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The Portion is the Poison
Students calculate the amount of everyday food products or liquids that would need to be consumed in order to become toxic. By using unit analysis, they calculate the amount of certain common food items that would need to be consumed in...
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Extracting DNA
Students explore DNA, genes, chromosomes and the chemicals that make up DNA. They research Internet resources to develop their knowledge of DNA. They conduct an experiment to separate DNA from peas and create a poster that they can use...
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Environmental Science
Fourth graders examine how the use of chemicals may affect the environment and how their are many different political issues surrounding chemical usage and the environment. They research different newspapers and magazines about the issues.
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Dose-Response Relationship
Students complete their observations of germinating seeds. They create a graph showing all of their data and develop a dose-response curve. They compare their data with other groups and analyze the curves.
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Chemical Families
Ninth graders describe that matter is made of minute particles called atoms, explain structure and properties of atoms, classify chemicals, locate chemicals on the periodic table, and play Jeopardy.
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COMMON CHEMICALS
Pupils develop a database of safety information about common chemicals, which be used in various labs during the course. They search the Internet for Materials Safety Data Sheets on their assigned chemical to locate specific information.
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Household Toxic Chemicals
Students take a home toxins survey and determine possible substitutions for household toxins.
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Does Dye Die...? : Foreign Chemicals In Our Environment
Young scholars work as scientists to simulate testing on soil, plants, and water for foreign chemicals through this series of experiments.