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How Clean are the Laboratory Tables?
Students participate in an experiment in which they test the cleanliness of the lab tables. They practice using different materials and analyze their results. They answer comprehension questions to end the lesson.
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How Can We Determine the Concentration of an Unknown Solution?
High schoolers participate in experiments to help them determine the concentration of an unknown solution. They graph a standard curve and plotting the relationship between the concentration and the amount of light needed. They discuss...
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Thin-layer chromatography
Students produce chromatograms of various vegetable extracts and standards. Using a flat bed scanner, they create a database of the results.
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How Big is a Molecule?
Students estimate the size of a molecule of oleic acid. They conduct an experiment using chalk dust, water, and oleic acid, solve various calculations, and answer discussion questions.
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Devising a Set of Experiments to Test Water for Dissolved Substances
Students work together to test water samples for pollutants. They design data tables to collect and record their observations. They complete discussion questions to end the lesson.
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The Chinese Zodiac
Young scholars create their own personalized Zodiac page on a word processing
document after researching and discussing the origins of Zodiak signs. This lesson does include resource links and may be controversial.
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Ideal Gas Law
Students explain and use ideal gas law and use the law to solve problems. They use conversion factors to convert mass to mol. Also students use stoichiometry skills previously learned.
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Stellar Spectral Fingerprints
Learners listen as the teacher introduces Newton's early discovery of the diffraction of light. They use multiple sources of light (fluorescent, incandescent, sunlight, etc) to bend the light. They first use a prism then a diffraction...
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The Importance of Water
Students explore the importance of water. They discuss why water is important and students design an experiment that evaluates the water quality and methods of improving water quality. Students perform testing and report their findings.
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Thinking inside the Box: Dangers of Tanning Beds
Students research their assigned position pro- or con- for the statement "The use of tanning beds by teens should be regulated" and write a short position paper. They participate in a debate concerning the statement. Students write a one...
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Where's the Evidence?
Eighth graders observe evidence of chemical reactions. For this chemical reactions lesson students study chemical processes and complete a lab activity.
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Calculating the Average Mass of the Newly Discovered Element: Bean
Learners determine the average mass of a new element using masses from three isotopes. In this chemistry lesson, students explain what an isotope is. They discuss their importance and uses.