It's a Gas! Or is it?

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. 

A water strider is a bug that taps into the attraction between the positive and negative ends of water, allowing the bug to walk on water. Learners view short videos showing polar characteristics of water. Pairs then discuss what polar...

The Ideal Gas Equation is the focus of this chemistry video. Sal explains that pressure times volume is equal to the number of molecules present times the temperature. He sets up a problem where there is a 2 liter balloon filled with...

Using chalkboard animation, this video thoroughly explains the three empirical gas laws: Avogadro's, Boyle's, and Charles'. Use it as an introduction when teaching young chemists about the properties and behavior of gases.

Is there a broader topic than the study of the universe? A video lesson for teachers provides insight into the progression of lessons on the topic from elementary through high school. Examples and descriptions give teachers solid...

Learning about the earth should be a moving experience, and what better way to record that movement than with a seismograph? Each team will work together to design and build a seismometer, then compete against the other teams to see...

Believe it or not, a man was cured of HIV in 2008; unfortunately doctors are still scratching their heads trying to figure out how it happened. Follow along with this short video to learn about this deadly virus and the unique...

The greenhouse effect warms up earth enough so it can support life, but if it heats up too much, life won't be able to survive. An interactive presentation covers the greenhouse effect, the carbon cycle, climate forcing, and climate...

What happens in the Arctic doesn't always stay in the Arctic. Follow along with this short video as it investigates how small changes in the temperature of Arctic regions can have dramatic effects on the global climate through a series...

Light travels fast... really fast. But that doesn't mean it moves instantly from its source to whatever object it hits. After watching this video students will understand that once generated in the sun's core, light takes thousands of...