Help young scientists piece together the theory of plate tectonics with this comprehensive collection of materials. Whether your are looking for worksheets, hands-on activities, or assessments, this resource has everything...

Read about the physical features of whales and how they are grouped according to their method of eating food. A neat activity is described on the page; consider carrying this out in class. The resource makes a nice addition to a lesson...

It's a delicate balance—using technology to improve our lives while still protecting the environment, and ourselves, from the hazards of technology use. Class members examine statistics about the increase in media use, complete a survey...

What are the issues surrounding water quality? Viewers of this short presentation gain information about the importance of clean water, the lack of fresh water, water contamination, and ways that engineers treat water. 

What are calories, and how do calorie needs differ from person to person? Here is a learning exercise that briefly explains how calories measure the energy supplied by food, as well as suggests the amount of food an individual should eat...