Learners investigate the effects of zero gravity. The resource has students measure the change in the area of calf muscle from before and after the flight to determine if muscle loss has occurred. Some topics included are muscle loss,...

This lesson engages students in learning about light through multiple sources. Students will learn how light is produced, reflected, refracted, and separated. Students will communicate their findings through an independent project that...

This site shares a collection of expert and peer-vetted teacher resources that are searchable for teachers and students. Searching can be achieved via a subject, grade, audience, and/or type. Curricula standards for the following subjets...

After exposures to assorted forms of informational text and media, Istudents will identify positive and negative effects of microorganisms. Students will explore how some micooorganisms have overcome their negative attributes while...

An optical illusion created using Leonardo's well-known portrait of the Mona Lisa serves as source material for an exercise in perception.

Second graders will engage in nonfiction reading and writing strategies that will help them describe and adopt safe and healthy behaviors. An anticipation guide, a song, and several high-interest trade books will engage the the readers...

An optical illusion that demonstrates the effect of eye movement on perception.