Introduction to pH in Soil and Demonstration of a Simple Soil Test Procedure
Learners explain why farmers and gardeners may add nutrients to the soil to raise the pH level. They examine the pH scale. They make observations, collect and analyze data and draw a conclusion based on the data.
5th - 8th Science 7 Views 14 Downloads
Using Vegetation, Precipitation, and Surface Temperature to Study Climate Zones
Using NASA's Live Access Server, earth scientists compare the temperature, precipitation, and normalized difference vegetation index for four different locations. They use the data to identify the climate zone of each location using...
6th - 12th Science