National Council of Teachers of Mathematics
Drug Filtering
In this chemistry instructional activity, learners calculate the amount of drug found in someones blood based on how long they have been taking the drug. There are 5 questions.
Curated OER
Cells All Around
Students measure the size of an epithelial cell and to estimate the number of epithelial cells in a given area of the body. After watching a video on cells, student groups perform an experiment using a microscope to view some of their...
Curated OER
Sharks in Decline
Students investigate common fishing methods used to capture sharks. They decide why these methods and the shark's reproductive biology are contributing to the quick reduction in the shark population.