Do you believe in ghosts, or do you think these supernatural beings are a figment of one's imagination? Psychologically speaking, are they just hallucinations? Whether or not these entities truly exist cannot exactly be proven. While most of these illusions are a result of how our brain and eyes respond to each other, we have also learned to create many tricks through science, technology, and art. It is fascinating to discover and relearn these old...

"Matter is all around you! Join the Sesame Street friends as they teach young learners about solids, liquids, and gases with simple, accessible text and full-color photos"--

"Step-by-step instructions for experiments pertaining to material and matter"--

"In Phases of Matter, Bill Nye takes viewers on a tour of a steel mill to help demonstrate that matter exists in three phases--solids, liquids, and gases"--Container.

Presents a simple introduction to energy.

Describes the properties of gases.