Provides step-by-step instructions for simple Christmas craft projects made with basic craft supplies or recycled materials from around the house, including such options as a popsicle stick star, fabric scraps garland, and no-sew sock snowman.

Describes how asteroids are formed and discusses the types of asteroids that are contained in the asteroid belt between the orbits of Mars and Jupiter, with details about some of the asteroid collisions from the past.

Examines the science of hydroelectric power, looking at the technology, benefits, and downsides.

Describes the strange behavior of some animals, including dung beetles, bot flies, and Komodo dragons.

Discussion of both the positive benefits and negative aspects of nuclear power are presented as the topic becomes ever more relevant in our daily lives. Readers are introduced to the developments of today and the possibilities of tomorrow.

"You may be fast asleep and dreaming, but your body is still hard at work. Find out how your body stays busy all night, breathing in and out, making repairs, and getting you ready for a new day."--P. [4] of cover.

An illustrated introduction to the appearance and habits of various moths. Includes suggested activity and glossary.

Zoom into the tiny but incredibly busy world of a colony of leafcutter ants. Stunning macro photography will allow young readers to get up close to these fascinating and industrious insects as they get to work cutting leaves and carrying them back to their nest to feed to the fungi that they grow in their underground fungus farm. After reading, put your knowledge to the test with a simple science project.

Examines the science of wind power, looking at the technology, benefits, and downsides.