"Describes the different ecosystems and habitats that make up the many environments on Earth. As readers use scientific inquiry to learn about how, why, and where different life forms thrive the most, an activity based on real world situations challenges them to apply what they've learned in order to solve the puzzle"--Provided by publisher.

"Describes different jobs that levers and pulleys can do and how they are able to do them. As readers use scientific inquiry to learn about how force, energy, and work make using these simple machines possible and effective, an activity based on real world situations challenges them to apply what they've learned in order to solve a puzzle"--

Describes the Sun, Moon, and stars: what they are and how they move or seem to move around Planet Earth.

"Describes what makes an insect an insect and teaches traits by which readers can recognize them. As readers use scientific inquiry to learn how different insects grow and change, an activity based on real world situations challenges them to apply what they've learned in order to solve a puzzle"--Provided by publisher.

"Describes the differences and similarities between plants and animals, teaching the reader how to recognize them on his or her own. As readers use scientific inquiry to learn eating, sleeping, and general living habits of different species, an activity based on real world situations challenges them to apply what they've learned in order to solve a puzzle"--