What is an ice giant? Readers will learn the answer in this book! They will discover the Kelvin temperature scale, fascinating facts about Uranus and Neptune, and how space probes Voyager 1 and Voyager 2 are revealing more about these cold curiosities. Readers will also be introduced to other cold objects in the universe, such as the Boomerang Nebula, Pluto, and craters on the moon. Aligned to Common Core Standards and correlated to state standards. A&D Xtreme is an imprint of Abdo Publishing, a division of ABDO.