Covering 23% of the continent and holding 64,900 cubic kilometers of water, the Great Artesian Basin is the primary source of water for much of inland Australia. Using detailed student worksheets, experiments, and case studies,...

My name is Bond, Hydrogen Bond. Written for distance scholars working on chemistry at the high school level, the lesson includes eight weeks worth of material divided into six parts: substances you use, mixing it up, your skin, what's...

Students recognize and identify gaps in historical and archaeological evidence and how that evidence is interpreted. They explore the history of the Indus cities and identify what was left behind that survived for archaeologists to find...

Learners explore the differences between lentic and lotic ecosystems. For this ecology lesson students study the water systems in Pennsylvania.

Students investigate the lives of frogs by completing several worksheets.  In this biology lesson, students discover the life cycle of a frog from tadpole to death.  Students complete frog life cycle puzzle as well as create a...

Young scholars measure the pH of soil samples from a hypothetical site to locate a contaminant spill and will predict the direction of groundwater flow using mathematical modeling. They use the engineering design process to develop...

Young scholars investigate the five senses. They participate in the lesson plan for one week with each day devoted to one sense being sight, taste, sound, smell, and touch. They also cover the concept of being part of a global community...

Students view and respond to The Odyssey 2050 film. In this climate change instructional activity, students view the film and discuss ways to take action to stop global warming. Students complete several activities prior, during, and...

First graders recall and verbally list the parts of a dog, or a chosen subject, based on observations using the senses. They discriminate between living and non-living subjects, and create artistic representations of the parts of a dog.

This site from the Virginia Commonwealth University gives good information on the definition of work using nice graphics and interactive questions. Immediate feedback on student answers is provided.

Good use of linking to provide definitions of power along with examples and probing questions. Created by Robert H. Gowdy, physics instructor at VCU.

Find the current air quality in Massachusettes, and learn more about air pollution, air quality forecast, and governmental guidelines on air.