Texas Instruments
Land Erosion - Running Off With Soil
Learners evaluate the relationship between rainfall and runoff of a small island for one year. In this rainfall vs. runoff lesson, young scholars analyze the relationship between the rainfall and the runoff on Barro Colorado Island over...
Curated OER
The Disappearing Kelp Forest
Learners observe the effect "El Nino" left on kelp plants and sea urchins. They analyze the data collected by researchers, by graphing it on a TI calculator. Before graphing and analyzing the data, you may want to revisit the events of...