PBS
Dear Pen Pal
Explore cultures from around the world with an engaging pen pal resource. Through a series of classroom activities and written correspondence, children learn about the favoritec pastimes, schooling, geography, and weather that is...
Curated OER
Alien Pen Pals
Students write a friendly letter to an Alien Pen Pal including details about the planet Earth.
Beyond Benign
Daphnia Bioassay LD50
De-icing materials may have a harmful effect on our environment; have your class perform an experiment to test the nature of these effects. Scholars monitor the survival rate of a sample of daphnia as the concentration of a de-icing...