Explains how leaves change their colors in autumn and then separate from the tree as the tree prepares for winter.

Explains the concept of a food chain and how plants, animals, and humans are ecologically linked

Explores the mysteries of bird migration, including theories on how birds find their way and how scientists learn about migration

"How does a magnet work? Why does a magnet pick up a paper clip but not a leaf or a penny? How can the whole world be a magnet? Read and find out more about how magnets work! Franklyn M. Branley's classic text is seamlessly updated by NCTE Orbis Pictus Award Honoree Carolyn Cinami DeCristofano in this reissue. Now rebranded with a new cover look, this book features rich vocabulary, fascinating sidebars and diagrams by artist True Kelley, and a find-out-more...

Introduces the water cycle, explaining how clouds are formed and why it rains

Describes the physical characteristics, behavior, and life cycle of crickets while giving particular emphasis to how they chirp

In simple text, presents the three states of matter, solid, liquid, and gas, and describes their attributes

Explains the construction and purpose of the International Space Station and the life of the astronauts on board

An introduction to reflex acts that explains why we sneeze, shiver, hiccup, and yawn

Describes what fossils tell us about the physical characteristics and behavior of the large carnivorous Tyrannosaurus rex