How high are the clouds? If you dug a hole to the center of Earth, how deep would it be? Can you use shadows to find the height of a tree? There are so many things to measure in the world around...

Does air have weight? How does a seesaw work? What keeps you from floating into space? There are so many things to measure in the world around you. The ideas introduced in this book will help...

Inorganic Chemistry?! What's that?! Don't worry. Robert Gardner makes it easy to understand: Inorganic simply describes things that are not made of plant or animal matter. (Those things are...

How long does it take bread to get moldy? Can you tell time using the sun? What is your reaction time? There are so many things to measure in the world around you. The ideas introduced in this...

Organic chemistry?! What's that?! Organic chemistry deals with carbon and living things that are made of it, such as sugar, baking soda, and soap. It is easy to learn about this branch of science by...

What is the warmest place in your house? Why should you wear light-colored clothing if you want to stay cool? Why is it cold in the winter and hot in the summer? This book lets you perform lots...

How fast do your fingernails grow? Can a horse run faster than a cheetah? What affects the speed at which ice melts? There are so many things to measure in the world around you. The ideas...

Does air take up space? Does water take up more space when it freezes? How much air can you exhale in one breath? Everything around you has volume, or takes up space. The ideas in this book will...