It's all uphill from here! Scholars examine the pattern of random particle motion up a staircase. The simulation shows how the linear increase in energy corresponds to an exponential decrease in particle concentration.

Explore particle motion between solute and solvents. An interactive simulation allows learners to observe the motion of solute particles as they interact with the solvent particles. It provides an option for including...

Students define important vocabulary words related to electricity and charges. In this physics instructional activity, students examine force created by electricity and lightning. They differentiate between the two forces and how they...

Students practice digital camera skills by identifying effects of depth of field at different apertures, comparing effects of depth of field with different focal lengths, and creating images showing effect of depth of field at different...

Learn about the lives of stars, and how stars and planets form. The Interactive activity, 'Planet Families' requires Adobe Flash and cannot be launched.

Build a virtual Rube Goldberg machine, and try to create a successful path for the ball. Requires Adobe Flash.

A resource that explores sound waves and how they work. Offers activities online and offline. Requires Adobe Flash.