Explains abut unequal forces acting on an object and what would be observed. Also, explains what the resultant force is and how it is calculated.
University of Colorado: PhET: Forces and Motion: Basics
[ARCHIVE CONTENT] Interactive site showcases an animation of photosynthesis. Users will view carbon dioxide movement, oxygen gas movement as well as water flow in the cycle.
TeachEngineering: Checking the Surf
This lesson introduces the concepts of wavelength and amplitude in transverse waves. In the associated activity, students will use ropes and their bodies to investigate different wavelengths and amplitudes.
TeachEngineering: Skyscrapers: Engineering Up!
Skyscrapers are one of the most glorified products of Civil Engineering and contain an interesting history of progress and development. In this lesson, the students will learn about the history of the world's tallest free standing structures and the basic design principles behind their success...
When Nature Strikes: The Science of Natural Hazards
The National Science Foundation's (NSF) Directorate for Geosciences has partnered with NBC Learn and the Weather Channel to produce a 10-part video series that explores the science of natural disasters and research to avert their human and economic toll.
National Institute of Mental Health: Eating Disorders
Resource provides introductory information about eating disorders. Learn about the symptoms and causes associated with anorexia, bulimia and binge-eating, and read about treatments and medical research findings.
Kids 19.2: Chemical Changes
Mixtures and solutions, solutes and solvents, but what about things that can't be undone? What about chemical changes? Sabrina talks about how to tell if you have a chemical change.
[3 minutes, 50 seconds]
Eating Disorders
Resource provides introductory information about eating disorders. Learn about the symptoms and causes associated with anorexia, bulimia and binge-eating, and read about treatments and medical research findings.
Ecology #10: 5 Human Impacts on the Environment
Hank gives the run down on the top 5 ways humans are negatively impacting the environment and the detrimental effects on valuable ecosystem services.
[10 minutes, 38 seconds]
Your Guide to Diabetes
A well-organized resource with detailed information on what diabetes is, the differences between type 1 and type 2 diabetes, how to treat diabetes, and why treatment is so important.