Mountains, valleys, hills, and plains are all part of Earth's solid surface. We call them landforms. In this book, readers will learn about many landforms and the Earth's processes that formed them.
Mountains, valleys, hills, and plains are all part of Earth's solid surface. We call them landforms. In this book, readers will learn about many landforms and the Earth's processes that formed them.
Look outside, and you can see the weather. It's different from place to place. It changes with the seasons. Learn about different kinds of weather and the tools scientists use to predict it.
Sound is energy. It travels in waves and enters our ears. But where does sound come from? Students may be surprised by the answer. They may also be surprised how sound can travel through air, water,...
The seasons happen every year, but what happens in every season? This book explains how the seasons always occur in the same order and how they affect us and everything in nature.
