Curated OER
Hand Lotion Analysis
Students prepare a sample of a commercial hand lotion for analysis by HPLC to determine the percent composition of two common cosmetic preservatives, methylparaben and propylparaben. They perform the analysis and the data is evaluated to...
Curated OER
Creating Biodiesel and Mitigating Waste
Biotechnology pros produce their own biofuel using waste oil and fresh vegetable oil. They test the quality of their product using titration techniques and pH analysis. They write their observations and report their findings. Be aware...
Curated OER
Animals in Research - Right or Wrong?
High schoolers research animal testing in scientific research. They role-play a research scientist, teacher, animal rights activist, or cosmetics manufacturer, and develop an argument for or against animal testing.
Curated OER
Dinosaur Designs
Young scholars study dinosaurs in science and conduct online research to gather written information about his or her dinosaur. Then, in art class, they sketch their dinosaur and create an accurate three-dimensional dinosaur model out of...
Curated OER
The Bio-fuel Project: Creating Bio-diesel
Students investigate bio-fuel. In this investigative lesson, students create bio-fuel from vegetable oil waste. Students will analyze, predict, collect and synthesize data from their experiments with bio-fuel.
Curated OER
Vitamin C Testing
Students determine which of three beverage samples contains the most vitamin C. They then apply their knowledge to an additional situation. Students use beverages that have a large, definite difference of vitamin C content to...
Curated OER
Applying Scientific Method to Analyzing
Students review the scientific method and basic lab skills, and practice how chemical employees work in teams to follow the scientific method. Students learn about various job requirements and responsibilities in the chemical industry.
Curated OER
Growth in A City Neighborhood
Students take the "role" of city planner. They overlay a map of one area of the city in the past, present, and projected future project. Students discuss reasons for selecting the special features of the area. The lesson refers...