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Toxicology 2: Finding the Toxic Dose
Young scholars brainstorm with group partners to decide upon a chemical they would like to test, and outline a procedure for their investigation. They then present in groups their ideas to the rest of the class as well as the chemical...
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Isolation of Synthetic Chemicals from Plant Leaves
Students isolate and identify a dye, which represents a synthetic pesticide, from plants.
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Toxicology and Living Systems
Students investigate how toxic chemicals affect biological systems. They determine the toxic dose of a chemical that inhibits seed germination in a Brassica rapa. They investigate the effect of environmental tobacco smoke on human lung...
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Lung Disease
Pupils simulate breathing for a smoker and someone with a chronic lung disease. For this health science lesson, students examine the short and long term effects of smoking. They write a persuasive argument against it.
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Scavenger Hunt Worksheet
Exactly how environmentally friendly is your school? From the air fresheners in the bathrooms to the cleaning solvents used in the classrooms, young conservationists search the school grounds for sources of air pollution in...
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Cancer
Students study cancer and possible preventative measures. In this cancer lesson students study the claims on food labels and ways to lower your risk of cancer.
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Genetics 4 Mutations
Young scholars identify and illustrate how changes in DNA cause mutations and evaluate the significance of these changes. They illustrate a chromosomal mutation such as duplication, deletion, inversion, and translocation.
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Nicotine Why is it so hard to quit smoking?
Students interview both smokers and nonsmokers to get their point of view on the topic. They prepare bar graphs based on the data accumulated by the class during the interviews.
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Plants and Air Purity
Students explore how green plants help improve air quality. They read an article and discuss the importance of air quality and its effects on the human body. They investigate by connecting hose to the top of a Bell jar and to a funnel....