NASA released its first incredible video of our closest look at Saturn yet

NASA released its first incredible video of our closest look at Saturn yet

On April 26, the Cassini spacecraft flew closer to Saturn than ever before — between the gap that separates the planet from its rings. Since then, Cassini has been transmitting dozens of images of Saturn’s surface. Here, NASA has compiled all the images into one, incredible video that reveals exactly what Cassini saw. One of … Continue reading

Galileo’s Thermometer

Galileo’s Thermometer

The Italian scientist, Galileo Galilei, created one of the first thermometers in the late 1500s.  It was a rather simple apparatus involving a long thin tube, open at one end, and a pan of water.  Students can replicate this experiment, demonstrating the principle that air expands when heated.

Teacher Demo/Student Activity: Powder Disaster

Teacher Demo/Student Activity: Powder Disaster

Introduction Flour is an ingredient that is found in most kitchens and used regularly for baking and cooking.  Consequently, it is considered safe, and people do not regard the potential hazards.  In reality, flour and dust explosions are extremely dangerous, and reducing the risk of such an explosion is a major concern to the agriculture … Continue reading