The reader is invited to guess who causes the boat to sink when five animal friends of varying sizes decide to go for a row.

Discover the awesome answers to these and other fascinating mysteries in biology, chemistry, physics, earth science, and astromony. Just try these 201 fun, safe, low-cost experiments at home or in the classroom. You'll look through a drop of water to find out how a magnifying lens works. Using a Styrofoam ball, a pencil, and a lamp, you'll learn why the Moon appears and disappears. With just a jar and some ice cubes, you can demonstrate how rain is...

Text and pictures try to make possible the conceptualization of a million, a billion, and a trillion.

Provides instructions for over 200 short experiments in astronomy, biology, chemistry, earth science, and physics.

Provides instructions for 200 experiments in biology, chemistry, physics, earth science, and astronomy.

Fifty-five experiments with readily available materials explore basic concepts of chemistry and physics, including the properties of matter, acids and bases, and food chemistry.

Professor Jonas Schwartz, PhD (cand) and wife Jackie (B.A Exercise Science / Mathematics) bring cutting-edge scientific advances in nutritional and exercise science down into REAL LIFE! WORKOUT SMARTER NOT HARDER! nd then we immersed ourselves in the latest scientific research and learned the secret to boosting your Resting Metabolic Rate so you burn more calories every day OUTSIDE THE GYM. Game-changer! Muscle tissue burns calories 24 hours a day,...

Proven cooperative science lessons for the middle grades. Step-by step lessons with curriculum links, literature links, content ideas,and safety tips. Reproducible pages. Table of contents, Illus.

An introduction to the basic principles of geometry.