Keep It Complex!

Students consider the importance of biodiversity in the ocean layers. In this oceanography lesson, students use the Shannon-Weaver diversity index to analyze data.  Students analyze the information collected and write a report offering...

Accurate weather forecasting is something we take for granted today, making it easy to forget how complex it can be to predict the weather. Learn more about the terms and symbols used to forecast the weather with an earth science lesson...

Take your time with this lesson. Junior engineers read about different types of clocks and then work together to build a pendulum time-keeper. There are no hints as to how they might go about accomplishing this complex task, so you may...

Carbon makes all life on Earth possible, not to mention most technology and progress. The 12th video in a 16-part series explains the significance of being made of star stuff. From the formation of chemical elements to the rise in...

Discussions of DNA occur in Jurassic Park, X-men, Dexter, and CSI, yet many don't fully understand it. The video explains what DNA is, where it is located, and how it forms proteins. The chemistry of life becomes understandable through...

Seventy percent of the world's oxygen is produced through photosynthesis by phytoplankton, microscopic plants found in the ocean. Viewers learn about the complex process of photosynthesis with a video that covers both the light dependent...

You are under attack! Every second of your life bacteria, viruses, and more attempt to enter your body. The video explains your immune system and the extremes your body goes through to keep you alive.

Humans did not evolve from monkeys or chimpanzees—so what does our evolution look like? A video explains the evolution of humans from a common ancestor to homo sapiens. It describes the many branches on our family tree as well as the...

How in the world is a musk oxen like a phospholipid? Learners see the fluid mosaic model and all of its complex parts: phospholipids, proteins, glycoproteins, glycolipids, and cholesterol. The video then focuses on the phospholipid's and...

What does it really mean to know a language? Did you know that knowing two or more languages means that your brain might actually look and work differently than those of your monolingual friends? Discover the three different types of...