Curated OER
GM Crops: Friends or Foes?
Genetically modified crops—How do you feel about them? Here, explore the benefits and risks of GM crops to inform your opinion.
American Statistical Association
How Long is 30 Seconds?
Is time on your side? Pupils come up with an experiment to test whether their classmates can guess how long it takes for 30 seconds to elapse. They divide the class data into two groups, create box-and-whisker plots, and analyze the...