Robert Gardner

Presents projects and experiments about sound, covering such aspects as vibrations, vacuums, waves, and the transmission, reflection, and speed of sound.

Presents science projects and experiments exploring the states of matter, their properties, and their measurement.

Explains how to perform a variety of magic tricks by using the laws of nature, including demonstrations of air pressure, optical illusions, chemical reactions, and more.

Presents projects and experiments suitable for science fairs, utilizing mathematical skills in relation to light, temperature, angles and heights, distance, time, and velocity.

Presents science projects and experiments related to sports, covering such topics as speed, Newton's Laws, force and motion, gravity, friction, and collisions.

Introduces the phases and other characteristics of the moon through a series of experiments, most of which can be used to start a science fair project.

"Details science experiments with animals, including explanations and data"--

How do humans perceive time? What are the three different kinds of days? What is a shadow clock and how does it work? Using easy-to-find materials, you can conduct these fun and simple experiments to learn about the science behind time and how it has been measured throughout history.--

"Details science experiments with light with explanations"--