Describes the purpose, parts, fertilization, development, and other aspects of eggs. Includes experiments and activities.

Explains why the season of winter happens and how it manifests itself in the weather and changes in plants and animals.

Presents an introduction to cells, discussing cellular structure and function; size, shape, and movement; the life cycle of a cell; and cell diseases.

Its bed is loaded up. The driver's at the wheel. This dump truck is on the move! What do dump trucks haul? And how do drivers control the trucks? Read this book to find out!

It drives through dirt and mud. It pulls heavy machines through fields. This farm tractor is on the move! What jobs do tractors do? And how do farmers drive tractors? Read this book to find out!

Discover how a plant grows and what it needs.

It rumbles through the city and the countryside. It travels on a track. This train is on the move! What kinds of things do trains carry? And who controls trains? Read this book to find out! Learn all about mighty machines in the Vroom-Vroom series-part of the Lightning Bolt Books ™ collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books ™ bring nonfiction topics to life!

This book discusses the process of photosynthesis, the life cycle of plants, the differences between short day and long day flowers, and much more. Filled with projects that use plants as the basis for experiments, it includes seeds, flowers, leaves, plants and even grass.