experiments

Presents experiments which demonstrate the properties of air.

Suggests experiments introducing magnets and magnetism, demonstrating the magnetic field and the properties, strength, and uses of magnets.

A discussion of the properties of electricity, with related experiments, and an introduction to different kinds of batteries.

Briefly discusses sound, pitch, sound travel, sound waves, vibration, frequency, length, and thickness, with simple experiments to demonstrate each concept.

Experiments using common household items illustrate the principles of sound, electricity and magnets, weather, and simple chemistry.

Presents experiments which demonstrate the properties of water.

Illustrates some basic principles of science, based on experiments and tricks using straws, paper, drinking glasses, and coins.

Describes the geography of rivers including their power to erode and form deltas and the formation of waterfalls, rapids, and canyons. Includes experiments and other activities.

Explains the characteristics of oceans and the forces and principles which act upon them, demonstrating with experiments and models.

Instructions for experiments, each introducing a different chemistry concept and demonstrating that chemistry is a part of our everyday life.