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"A hands-on approach introduces young scientists to wheels and axles.

"A hands-on approach introduces young scientists to pulleys. Science theory and practical, fun projects teach the physics and the technology behind this simple machine.

"A hands-on approach introduces young scientists to the lever. Science theory and practical, fun projects teach the physics and the technology behind this simple machine.

"A hands-on approach introduces young scientists to ramps and wedges.

Introduces young scientists to screws, with historical and contemporary examples, and step-by-step projects that range from the simple to the more challenging.

Introduces young scientists to springs, with historical and contemporary examples, and step-by-step projects that range from the simple to the more challenging.

Presents an introduction to being an explorer, and contains several related activities with easy-to-follow instructions for each.

Discusses the different minerals on Earth.

What happens when you find yourself stranded in the big outdoors, without a phone or computer in sight? Don't panic! With these great survival ideas, you'll learn how to build a shelter from sticks, light a fire without matches, send signals to call for help, find and store water, and much more.

A career in science can involve traveling around the worldand maybe even leaving it! From tracking violent storms or studying penguins in the Antarctic to repairing the International Space Station or searching for new planets, this fascinating book shows that a career in science can lead to thrilling and limitless possibilities.

"From the very first submarine in 1620 to the defense systems and weaponry used on modern submarines, this book uses diagrams, stories, and dramatic imagery to present a fascinating history of submarines and the technology used to operate them.

Provides a history of robots, covering key inventions and inventors.