"Presents several science experiments and project ideas using plants"--Provided by publisher.

How do different types of soil affect germination? How do light and dark affect leaves? Can you tell how old a tree is? Young scientists will explore structures, development, and life cycles of plants and interactions of plants with their environment? Readers will learn the answers to these questions and more with the fun life science experiments in this book. Following the scientific method, readers will be able to use many of the science fair project ideas for their own science fair project.

Can we build a bird feeder that keeps squirrels out? Where do earthworms like to live? Does color affect human emotions? Readers will learn the answers to these questions and more with the fun experiments in this book. Young scientists will observe and explore behaviors of animals' interactions with environments. Many experiments include ideas they can use for their science fair.

How do your eardrums work? Can odor molecules pass through a solid the same way they pass through air? How does your sense of smell affect how something tastes? Readers will learn the answers to these questions and more with the fun life science experiments in this book. Young scientists will explore the five human senses. Readers will learn about the scientific method using the many experiments in this book. There are also ideas for science fair projects.

"Presents several science projects and science project ideas about human biology"--Provided by publisher.

How does antibacterial soap affect bacteria? What diet meets your energy requirements? How can you measure blood pressure, metabolic rate, and calories? Young scientists learn about the scientific method while experimenting with hygiene and health. Many experiments in this book include ideas readers can use for science fair projects.

"Presents several science projects and science fair ideas dealing with ecology and environmental studies"--Provided by publisher.