Curated OER
Dilution and Concentration of Solutions
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
National Nanotechnology Infrastructure Network
The Effects of Gold and Silver Nanoparticles on Brine Shrimp: A Toxicology Study
Who doesn't love gold and silver? Brine shrimp, that's who! Learners conduct an experimental lesson plan to monitor the toxicity of gold and silver nanoparticles on brine shrimp. They synthesize solutions to expose the brine shrimp to...
Curated OER
What Is Special About Polyethylene Food Storage Bags?
Students participate in an investigation in which they compare a polyethylene bag designed for recycling or disposal with a polyethylene food storage bag. Students use hexane to determine the differences between the low density...
Curated OER
The Biofuel Project: Creating Biodiesel
Young scholars research about the processing of biodiesel fuels. In this energy lesson, students produce their own biodiesel using used and new vegetable oil. They discuss the environmental and economic benefits of using biodiesel.
Curated OER
Bloodstain Pattern Simulations: A Physical Analysis
Students receive bloodstain pattern evidence from a crime scene. They answer a series of questions through inquiry, observation, measurement, and analysis. Pupils complete this challenge, by reconstructing the evidence through four...
Curated OER
Antacid Lesson Plan
Eleventh graders use titration methods to study properties of antacids. They look at the strength, effectiveness, PH, and effect of supplements taken at the same time. They make observations after the different mixtures are combined and...
Curated OER
Auxin: Indole-3-Acetic Acid
Learners identify auxins from their structural formulas. They understand the process of refluxing in chemical synthesis. Students perform thin layer chromatography using silica gel plates to differentiate chemical substances.
Curated OER
Global Warming and Hurricanes: Is an Increase in the Number of Stronger Hurricanes an Indicator of Global Warming
Ninth graders investigate whether stronger hurricanes are signs of global warming. In this environmental science lesson, 9th graders research both sides of the issue about global warming. They debate for or against this issue in class.
Curated OER
Teaching About the Properties of Water
Learners use video, Internet research, graphs and tables, worksheets and hands-on experiments to investigate the properties of water in a lake environment. They work under direction or through an inquiry process.
Curated OER
Amino Acids
Students explore what amino acids are, their history and how they are used in technology. In this protein lesson students identify the properties of proteins and amino acids.
Curated OER
Please Turn Up the Lights!
Eighth graders discuss series and parallel circuits and design an investigation to test a hypothesis on total resistance of series and parallel circuits in combination. After discussion, groups design their experiments, run tests, and...
Curated OER
Life in Extreme Environments - Lakes Under Ice
High schoolers collect chemical, physical, and biological data from a local lake throughout the year. In addition, students discuss the design of an experimental structure for water collection at several specific depths as well as assess...
Science Education Resource Center at Carleton College
Serc: Mass Spectrometry: Using a Game Format to Develop Logic Skills
Learners will use previous knowledge of chemistry concepts and skills to interpret mass spectrometry graphs and will learn to determine one or more possible formulas for an organic molecule represented on the graph. They will also gain...