Howard Hughes Medical Institute
Human Skin Color: Evidence for Selection
Skin color is controlled by at least six genes. Young scientists learn about skin colors through a documentary. They discuss the topics of pigment, natural selection, and vitamin D absorption. They apply their knowledge to higher order...
Kenan Fellows
Applying Linear Regression to Marathon Data
It's not a sprint, it's a marathon! Statistic concepts take time to develop and understand. A guided activity provides an opportunity for individuals to practice their linear regression techniques in spreadsheet software. The activity...
Curated OER
Molecular Evolution in Plants
High schoolers are using a paper chromatography study that is suitable for introductory biology. The absorption spectra studies and gel electrophoresis studies are appropriate for students who have complete both introductory biology and...
Curated OER
Life Cycle of the Drosophila Fly
Students observe the life cycle of the Drosophila fly as well as manipulate large numbers of flies, determine the difference between the sexes, and identify the different stages of the fly's life cycle.
Curated OER
Enzyme Reaction Rates Using Toothpicks
Students pretend to be enzyme that breaks toothpicks in timed intervals. They complete calculations to determine how many toothpicks are broken per second to determine the rate of reaction of the enzyme.
Curated OER
Development of I.Q. and the Degree of Relatedness
Studnets, in groups, analyze data regarding genetic and nongenetic relationships of I.Q. They make observations and discuss correlations from a diagram. Cooperative learning teams discuss a given set of questions and present information...
Curated OER
Spermatogenesis versus Oogenesis
Students compare and contrast the processes of spermatogenesis and oogenesis. This lesson plan uses the KWL+ strategy to promote reading. The + used here is the Venn diagram.
Curated OER
Carbon Monoxide and Population Density
Tenth graders investigate the carbon monoxide level at a fixed latitude to determine if there is a relationship to population density. They download data sets and generate a graph, and find locations using the Earth's coordinate system....
Curated OER
Molecular Evolution in Plants
Students examine chlorophylls. They explore the absorbing pigments in a variety of plants. Through activities, students determine spectrophotometrically. They compare plant proteins from the family Brassicace to assess the level of...