Physical science DVD collection

Introduces students in grades three to five to the principles of sound, discussing echolocation, the range of human hearing, amplitude, decibels, wavelength, vibrations, and related topics.

A magician helps children learn about magnetism, explaining what magnets are, discussing poles and atoms, and examining Earth as a magnet, magnetic push and pull, kinds of magnets, and magnet uses.

Two students, looking for an idea for their science project, get lucky when they meet Miss Dallerwag, a store owner who teaches them about atoms and molecules, mass, volume, and density, and the ever-changing states of matter.

Presents an introduction to sound, explaining how sounds are produced and heard, featuring a demonstration of vibration, and looking at the various ways sound travels.

Presents an explanation of matter, and discusses the characteristics of each of its three forms, including solids, liquids, and gases. Includes related examples, and experiments.