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Explains what gravity is and includes some experiments to demonstrate it.

Offers experiments and activities to explain the properties of light and sound.

Suggests experiments and activities that demonstrate the properties of gases.

Explains what a liquid is and includes experiments that demonstrate it.

"These 40 simple science activities will have young kids searching the house for everyday items to learn about temperature, pressure, water, air, heat, and plants! Each easy and fun activity includes how-to photos, simple instructions, short explanations, and introduces beginning math principles. With tips and extra information to extend the scientific experience, this book will get kids thinking like scientists in no time at all! Book includes: supply & tool lists, visual and text-based explanations, step-by-step instructions and photos, and safety information."--

A prominent popular science writer presents simple instructions for 100 illustrated experiments. Memorable, easily understood experiments illuminate principles related to astronomy, chemistry, physiology, psychology, mathematics, topology, probability, acoustics, other areas.