What is the purpose of Karyotyping?

Determining whether or not something is living can be more difficult than it seems. Put your young scientists to work defining their own criteria to identify life, then work with three samples to see if they are alive or not. 

When measuring the circumference of a tree, does it matter how high you place the measuring tape? Most scholars have never considered this question, but scientists know that measurement techniques must be standardized. The 13th lesson in...

In the eyes of a physicist, the purpose of life is to continue the mission of the sun. An engaging lesson discusses the increasing entropy levels of energy that originates at the sun. As life forms use that energy, entropy rises until it...

What is the Uncertainty Principle? A succinct video describes the uncertainty principle as wave behavior.

Barbie, pink flowers, Pink Panther, pink pigs, pink clothes, and pink flamingos all have one thing in common — they really aren't pink because there is no such thing as pink light. So, what is the color we call pink? The short video...

How many dimensions are there? Latitude, longitude, and altitude are accepted dimensions, but what about time or another type of dimension? An engaging video describes how we theorize that we live in three dimensions and which laws of...

Ever wonder why matter, well, matters so much? In the follow-up to the Theory of Everything video, pupils discover how the Pauli Exclusion Principle, which governs electron behavior, ultimately dictates how matter throughout the universe...

What exactly is DNA? How is it formed? What is its purpose? Mr. Anderson explains the basics of DNA using visual information, clear lecture style descriptions, and his own unique flare. Tip: After lecture send home this video to provide...

Take a stretch, but don't wave goodbye. An interesting resource provides everything needed to present an introductory instructional activity on waves. Teachers present a PowerPoint defining the types of waves and their characteristics....

Explaining exactly how DNA works to provide genetic information is a complex topic, but it is presented in a clear and engaging way through a five-minute video. Have learners try to explain how DNA works before watching the video, then...