Curated OER
Fertilizers, Pesticides and Human Health
High schoolers define several vocabulary terms related to chemicals and toxicology. Students calculate chemical concentrations in water and explain the toxicological principles that govern safety of substances. High schoolers conduct an...
Curated OER
Exposure!
Students investigate that chemicals may affect different people in different ways. They also realize that their perceptions of dangerous materials may not be realistic and that the news media may not provide all the information needed to...
Beyond Benign
SLS Toxicology Test
Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...
Curated OER
Semipermeable Membranes and Bioaccumulation
Beginning biologists place a drop of food coloring into water of differing temperatures to observe the effect on the diffusion rate. They remove the shells from raw eggs and then experiment with osmosis over the remaining membranes....
Curated OER
Toxicology 2: Finding the Toxic Dose
Students 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 they...
Curated OER
Chick Chock's Pollen Problem
Students analyze how allergens effect the body and how air borne substances can effect people.
Curated OER
Chemicals, Chemicals, Everywhere
Students divide substances into categories: made of chemicals/not made of chemicals, synthetic/naturally occurring, and toxic/nontoxic. They observe a mystery chemical and determine what precautions they need to take when handling an...
Curated OER
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...
Curated OER
Toxic River
Students explore environmental safety by participating in a class game. In this toxic chemicals lesson, students discuss the effect chemicals have on our environment and how to best protect against their dangers. Students participate in...
Curated OER
Skin Cancer Investigation: A Multi-Component Project
Students compare the perceived and actual risks of getting skin cancer, while looking at ways to minimize these risks. They may have very little grasp of the severity of the threat of skin cancer or be unaware of the increase in the...
Curated OER
Industrialization, Chemicals and Human Health - Math
Students review the units of the metric system, and practice estimating measures before actually converting between the two systems of measurement. They participate in activities to visualize a concentration of one part per million....
Beyond Benign
Daphnia Bioassay LD50
De-icing materials may have a harmful effect on our environment; have your class perform an experiment to test the nature of these effects. Scholars monitor the survival rate of a sample of daphnia as the concentration of a de-icing...
Curated OER
Mussel Ecology
Students are introduced to the marine environment of the mussel. The emphasis of the lesson is upon what human factors are present to influence the environment in positive and negative ways. They brainstorm in groups in order to conduct...
Curated OER
The Science of Respiration and Blood Circulation
Fifth graders study how respiration and circulation are connected. For this respiratory lesson students complete several activities to better understand heart rate and carbon dioxide in the body.
Curated OER
The Dose makes the Poison
Learners investigate the effect of a chemical (they choose) on the germination of seeds. They calculate % chemical concentrations in water, form a hypothesis, and discuss the ethics of using animals in biomedical research.
Curated OER
Tobacco Smoking and Lung Cancer
Students explore tobacco smoking and the impact it has on society. In this health lesson students complete several experiments on smoking and lung cancer.
Curated OER
Fertilizers, Pesticides and Health
Pupils apply real data to create and calculate algebraic equations. Students create a visual to represent the concentration for one part per million and apply unit analysis to verify measurement computations. Pupils define the use of a...
Curated OER
Science: Testing Water for Toxicity
Students investigate the potential toxicity of water samples using California blackworms to test water quality. They observe the worms' behaviors in different water samples and determine which sample has the highest toxicity. At the...
Curated OER
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.