Presents illustrated descriptions of matter and energy, explaining the law of conservation of matter, the law of definite proportions and Gay-Lussac's Law, Meneleyev's periodic law, and the first and second laws of thermodynamics, and providing a time line, biographical sketches of scientists, and a selected bibliography.

Do you ever wonder why it seems like you are not moving even though you are standing on a planet that moves through space? How does matter turn into energy? From Lavoisier to Einstein, Planck, and Bohr, the basic principles of modern physics are revealed in an exciting and appealing way.

This book describes the major and minor worlds of the planets and their moons.

This book investigates the remarkable achievements of space missions.