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Learn how heat moves in and out of our bodies. Heat is the energy of moving molecules. This reader uses practical, everyday examples to help children understand these scientific...

Sounds are all around us. Learn how the sounds we hear travel in waves in this exciting science reader! Learn about sound wave vibrations and the science behind how our ears hear...

Learn all about what it means to grow up! Every living thing grows up. Some things get bigger, some get faster, some get hairier, and more. Discover how various living things grow...

Follow along and see how different kinds of baby animals grow and change! All animals start as babies. Even though they all look very different, they all have the same basic needs to...

Learn about the water bodies that cover the Earth, including ponds, rivers, oceans, seas, lakes, ponds, wetlands, rivers, and more! Readers will also learn about manmade water...

Learn how animal parents raise their babies! These parents protect, play with, and teach their young so that their babies can grow big and strong. Animal parents feed and bathe their...

Plants need many things to stay alive, including food, sun, air, and water. Plants must get these important things in order to continue to go through a life cycle. Learn all about...

Teach young students how to describe things with the help of this science reader! Describe familiar objects by their texture, temperature, shape, speed, size, age, and more! The...

The Earth's surface is always changing. Learn how weathering and erosion constantly reshapes the earth through wind, water, and more! Even people can drastically change the earth's...

Like detectives, scientists find clues by making observations, recording their findings, and testing their hypotheses to solve a case. This dynamic science e-book will help first...

You eat food every day. In fact, every living organism can't live without it. Digestion is a complex, sometimes gross, process by which our bodies turn a meal into energy...

There are different kinds of ecosystems all over the world! An ecosystem is the way that living things in an area behave with each other and use resources like the soil, water,...