Nasa: Flight: What Is Lift?

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...

Discover how the factor of weight affects airplanes in flight.

Understand the concept of drag and find out how it affects the movement of airplanes.

What is known about gravity? Find out Einstein's thoughts on gravity in a brief overview of this mysterious force.

This lesson teaches students about the characteristics of planets, comets, asteroids, and trans-Neptunian objects. After learning about these different things, students then are to debate about a new object that is found in space.

Scientific American magazine, in the person of Dr. Gerald R. Van Hecke, gives a wonderfully complete answer to this question. Complete with very many hot words for additional background. And a wonderful NASA launch photo.

Kids sure do seem to have a lot of energy, but what exactly is energy? A video explains many different types of energy, starting with potential and kinetic. It highlights the most common forms of potential energy, including...

A description of how lift is a mechanical force that requires a fluid moving through a solid object and a change in velocity.

Harboring resentment against others is just as real to your body as a dangerous situation and can invoke a fight or flight response. The video explores the fight or flight response in humans. Viewers see what is happening inside the...

While often used interchangeably, the distinction between accuracy and precision is critical for many scientific endeavors. Discover the importance of consistency for precise results, and the need for accuracy in the field...