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.
[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.
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.
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...
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.