Precession

By looking at the direction of the parallel streets of New York and figuring which days the setting sun is directly visible along those lines, your class can calculate the degree and angle of the sun. A really nice lesson, giving a photo...

Should athletes carb load before an event or consume carbohydrates during the competition? Scholars discuss how to set up a hypothesis and experiment to answer a question relating carbohydrates and athletic performance. Then, they read...

Think outside the box - and think about education beyond the classroom walls - with a resource that has your critical thinkers watching a video about a nursery in Scotland that lets youngsters roam wild in a forest. Viewers reflect on...

Until the 1960s, the life expectancy of a hemophiliac was only 11 years. An informative video explains how to solve a Punnett square when there is a sex-linked trait — in this case hemophilia. It includes a discussion of the xy...

What flies faster than the speed of light? A time traveler! This video explains the time-speed-distance relationship, time dilation, and the theoretical possibilities of time travel in a way that is super engaging. Along with the video,...

How do you feel about cloning? This issue is highly debated, so educate your class before they participate in a similar debate! Read a New York Times article related to the use of cloned pig organs for human transplants. Groups develop...

Quantium entanglement? The Uncertainty Principle? A cubit of data? Spooky Action at a Distance? How do these terms figure in an answer to the question of whether or not it will ever be possible to teleport? A short video provides all the...

Humans constantly change the earth by building things, using natural resources, and relocating plants and animals. The lesson considers would happen to the planet if humans were gone. The narrator discusses the changes in buildings and...

Although researchers have no definitive answers to the question of why we dream, this video presents seven possible explanations.

One day supersonic flight may be possible. Watch a video that walks viewers through the history of air flight and the possibility of reaching supersonic speeds. Until then, travelers should get comfortable with ten-hour flights across...