An examination of the science behind the physical concepts of mass and matter, including relevant theories and history-making discoveries as well as topics of current and future research.

Part of the Mysteries of the Universe series

The most fundamental forces at work in our world are some of the most mysterious, and people have grappled with certain questions for centuries. Mysteries of the Universe tackles astronomical and physical phenomena that have inspired and challenged scientists, chronicling the discoveries that have been made and the puzzles that remain. Complicated scientific principles are contextualized with accessible examples and illustrated with stunning photos, assisting readers in grasping the magnitude of the mystery.

Ages 10 – 16

Nonfiction, 48 pages, 2013

ISBN 978-1-60818-191-9