Curated OER
Mapping A Stream
Students participate in mapping an actual waterway. They include reach lengths, transects, compass reading, and scale determinations. They include windfalls, plant cover, types of streambed composition, and landmarks such as trees and...
Curated OER
Chemical Changes by Gems
Seventh graders observe that heat is produced when two substances are combined. They brainstorm how, and then experiment to find out which of two chemicals created the heat.
Curated OER
The Measurement of All Things: Atmospheric Detectives
Students identify the characteristics of aerosols. Using remote sensing, they participate in an experiment in which they determine how the sun's radiation and elements in the atmosphere interact with one another. They also research the...