Curated OER
Mitosis And the Cell Cycle
Students determine the approximate time a cell spends in each phase of mitosis by counting cells in each phase from a prepared slide. They use a few simple calculations to estimate how long cells spend in each cycle in the body.
Howard Hughes Medical Institute
Spreadsheet Tutorial 2: Autofill Data, Cell References, and Standard Deviation
If you've always wanted to know more about spreadsheets, here's a perfect resource for you. A self-paced tutorial introduces how to autofill and copy formulas in a Google sheet or Excel spreadsheet. It also shows users how to find range,...
Curated OER
What Happens When A Cell Divides?
Students investigate the cycle of mitosis. In this biology lesson, students discuss the different stages of mitosis through cell reproduction. They further their investigation through laboratory analysis.
Howard Hughes Medical Institute
Spreadsheet Tutorial 4: t-Test
The t-test tutorial will fit your needs to a T. After calculating the mean, sum of squares, standard deviation, and variance of two data sets on a spreadsheet, scholars learn to calculate the t-values. They then learn to use the TTEST...
Howard Hughes Medical Institute
Spreadsheet Tutorial 3: Column Graphs, Error Bars, and Standard Error of the Mean
There's absolutely no error in using the tutorial! Learners use spreadsheets to create column or bar graphs with error bars. They also learn how to calculate the standard error of the mean in the tutorial. This is the third installment...
Howard Hughes Medical Institute
Spreadsheet Tutorial 1: Formulae, Functions, and Averages
Spread your knowledge of spreadsheets. The first of five tutorials in the Spreadsheet Data Analysis unit introduces the basics of spreadsheets. It shows future data analysts how to organize and format tables, and how to use functions to...
Curated OER
Toothpick Breakdown
Fourth graders model the activity of an enzyme acting on a substrate and observe relationships. Have students place toothpicks in a pile. One member of the team should break as many toothpicks as possible, in 10 seconds.