This title covers what a sedimentary rock is and how and where it forms. It also briefly explains the incredible rock cycle. --from Amazon.

"Investigate Gems introduces readers to what gems are and how they form, including mineral gems and organic gems. Learn about crystal systems, imitation and synthetic gems, cultured pearls, how gems are used, and their historic importance. A geology-themed project provides the opportunity for hands-on experience. Other features include a table of contents, fun facts, infographics, sidebars, map, and an index. Aligned to Common Core Standards and correlated...

Conveys the history of the Earth in humorous graphic novel format, from the big bang through continent formation, discussing how weather events and climate change continue to shape the landscape.