Simple text explores the principles of liquids, including melting, freezing, surface tension, and density.
Describes the physical properties of solids and explains how matter can change to and from a solid into a liquid or gas.
Presents experiments demonstrating the basic scientific principles of water, including information on erosion, precipitation, and condensation.
Introduces simple scientific principles involving heat, and provides instructions for experiments that can be done at home to prove them.
Presents experiments and activities that demonstrate the concepts and scientific principles of magnetism.
Complete a variety of fun science experiments using basic gym equipment.
Provides step-by-step instructions for performing experiments designed to answer such questions about the weather as what makes it rain, how do scientists measure air pressure, and how does temperature affect air movement.