National Wildlife Federation
Meet the Extractors, Harvesters, and Harnessers: Methods, Technology, Benefits and Consequences in Acquiring Natural Resources
There are advantages and disadvantages to all sources of energy; the trick is determining which one has the least impact! Part six in the series of 12 has learners further explore energy resources. After reading information about one of...
University of Minnesota
Memory Box
Teachers encourage using memory tricks, but do they actually work? Scholars test word association in a short yet engaging activity. They use 10 seconds to memorize as many items as possible and determine if they are more successful if...
Code.org
Number Systems
Generating a system of shapes. Groups work together to create a number system using three different shapes as symbols. The groups should come up with the rules that generate all the possible permutations of the three shapes.