Science secrets

Provides a simple discussion of the causes of air movement, uses of wind power, and such phenomena as hurricanes and tornadoes.

Provides a simple discussion of the different forms water takes, its importance to life on Earth, and some of its uses.

Provides a simple discussion of natural and man-made electricity and of how electrical power is generated and used.

Provides a simple discussion of sound waves, frequencies, and the uses of radar and sonar.