Curated OER
Prairie Populations
Eleventh graders practice the Quadrat Survey Technique to analyze the biodiversity of a local plant community. They compare its biodiversity with the documented changes in biodiversity of the tallgrass prairie over time.
Curated OER
Onion Cells
Learners observe the cells of an onion by wet mounting it and viewing it in a microscope. In this hands on lesson students make their own wet mount slide of an onion and are able to identify the cells in it such as, the nucleus,...
Curated OER
Around and Across
Tenth graders investigate the circumference and diameter of a circle. For this geometry lesson, 10th graders relate circumference to diameter. They create a scatter plot to estimate the value of pi.
Curated OER
Pi Digit Distribution
Learners study graphing skills and compare and contrast data sets. They compute pi through the first 50-100 digits and create a bar graph showing the frequencies of specific digits.