Educational Resources - Search Tool
Grade Level: 6-8,
9-12
In this activity, you will use an inexpensive spectrophotometer* to test how light at different visible wavelengths (blue, green, red) is transmitted, or absorbed, through four different colored water samples.
Grade Level: 3-5,
6-8
In this activity, students investigate three different soil samples with varying moisture content. They use a soil moisture probe to determine the percentage (by volume) of water in each of the soil samples.
Grade Level: 6-8
This NASA visualization shows sea surface salinity observations (September 2011-September 2014). Students review the video and answer questions.