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...

On April 22, 1970 over 20 million Americans participated in the first Earth Day. But why? The beginnings of what is now a world-wide event, celebrated in over 190 countries to support environmental awareness and protection, are the focus...

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's the formula for success? A unique and well-written resource from JFR Science explains empirical and molecular formulas. Young chemists learn the steps and skills required to determine the formulas from percent composition and...

Share a touching moment with your physics class! Discover the nature of touch in an animated video. Scholars learn what actually happens at the subatomic level when they sit in a chair. The narrator also examines the relationship between...

Here is a video that is a double displacement delight! Show young scientists how to tackle the longest (and most interesting) chemical reactions to write with a video from JFR Science. The narrator shows examples of double displacement...

Your cell phone contains many elements you may not have even heard of! Explore the science of the smartphone with a lesson from the Reactions playlist. The instructor explains the location and purpose of the many different elements that...

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...

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...