Become a geologist with this science-packed book that's all about rocks. Working with rocks from a backyard, park, or beach, and easily accessible equipment, readers will discover: How rocks form and why they all look different; how to tell rocks apart; how to make their own sand and soil; how to create and then excavate a fossil from a rock, and much more! By getting hands-on, readers will work like scientists to discover for themselves all about sedimentary, igneous, and metamorphic rocks, how fossils formed, and how Earth's rocks are forever changing and recycling as part of the rock cycle.