University of Southern Indiana
Manifest Density
There's a lot content packed into the four lessons of this physical science unit on density. From salad dressing to the water cycle and hot air balloons, these lessons engage students in hands-on activities that explore real-world...
National Wildlife Federation
Quantifying Land Changes Over Time Using Landsat
"Humans have become a geologic agent comparable to erosion and [volcanic] eruptions ..." Paul J. Crutzen, a Nobel Prize-winning atmospheric chemist. Using Landsat imagery, scholars create a grid showing land use type, such as urban,...
Science Matters
Up and Down Fault Blocks
The Sierra Mountains in Nevada and the Tetons in Wyoming originally formed as fault block mountains. In order to visualize these fault blocks, pupils use construction paper to create layers of earth. They cut the paper models and form...