American Museum of Natural History
What's This? Reproduction
Attracting the right mate is as important for humans as any other species. An interesting lesson teaches individuals about several strategies that animals and plants have adapted to attract their mates. From colorful nests to powerful...
Center for Technology in Teaching and Learning
CSI: The Experience - Family Forensics
Forensic scientists depend on their observation skills to analyze evidence down to the molecular level. Middle and high schoolers practice making observations and predictions with a series of crime scene activities, which includes a...
PBS
Pbs Learning Media: Modeling a Fraction Multiplication Word Problem
This video [2:31] illustrates a word problem involving the multiplication of fractions that requires students to find an unknown product based on a comparison of two quantities. One of the world's largest insects, the Goliath beetle, is...