Hannah Holmes A mesmerizing expedition around our dusty world. Some see dust as dull and useless stuff. But in the hands of author Hannah Holmes, it becomes a dazzling and mysterious force; Dust, we discover, built the planet we walk upon. And it tinkers with the weather and spices the air we breathe. Billions of tons of it rise annually into the air, the dust of deserts and forgotten kings mixing with volcanic ash, sea salt, leaf fragments, scales...

Includes a collection of facts about science topics from biology to zoology.

Answers questions on a variety of scientific topics, including "Why do birds sing?" and "Why doesn't ocean water spill over into space?"

This book describes the appearance of the phenomena known as crop circles and offers various explanations as to how they were created.

Arranged by topic, under main question headings, the book has three sections: weather and climate; the world around us; and space.

Answers questions on a variety of scientific topics, including "Who eats more than his own weight in one day?" and "Who buries his head in the sand in time of danger?"

Presents forty-three experiments in such areas as structural engineering, astronomy, chemistry, and meteorology.

Introduces readers to the physics and chemistry, biology and ecology behind everyday play, including creating chemical reactions, exploring gravity and friction, transforming states of matter, playing with air pressure, and much more.

"Introduction to inventions people use every day using simple text, illustrations, and photos. Features include puzzles and games, fun facts, a resource list, and an index"--