Explore using units in calculations with the Leaf Area Index (LAI). LAI is a ratio that describes the number of square meters of leaves per square meter of available land surface. Because of the units in the ratio, it is dimensionless.
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Grade Level: 6-8,
9-12
Grade Level: 6-8,
9-12
Explore using units for calculations with Normalized Difference Vegetation Index (NDVI). NDVI is a ratio of different light wavelength reflectance which can be used to map the density of green vegetation.
Grade Level: 6-8
Students will review the NASA Space Place video, "Tectonic Forces", and answer questions about tectonic plates.
Grade Level: 3-5,
6-8,
9-12
Review this page to learn about the background of volcanoes and their eruptions.
Grade Level: 6-8,
9-12
Students examine satellite images of an island before and after a volcanic eruption to determine the impact of the eruption.