4th Grade

Matter is all around us! Everything we see is made up of matter - including this e-book you are holding and even our bodies. Explore the different states of matter, its properties, how it changes, and much more in this...

Dynamite is highly explosive. This is because it's a chemical reaction waiting to happen. Chemical reactions happen all the time - even inside us! Reactants change to make new products. Explore physical and chemical...

What are circuits? Why are they so important? How do they affect our lives every day? Students will find out the answers to these questions and more as they read through the engaging pages of this e-book. Fun facts and...

Don't get caught wearing flip flops in the snow! Knowing about the climate of different places will prepare you for any kind of weather. Take a trip from the equator to the polar regions of Earth and learn about the...

Matter is everywhere. It is anything that can be touched, moved, or interacted with physically. But when breaking matter down into its tiniest pieces, we find that atoms are made almost entirely of empty space. Join...

Energy literally makes the world go 'round. Without it, nothing would live, move, or react. While energy cannot be created or destroyed, we rely on it to change form when we warm our hands with a cup of hot cocoa, ride...

You can't make something out of nothing. This is because there are certain laws that everything in the universe follows. It may seem like magic, but it's really a matter of matter. Join physicists from past and present...

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. From humans to birds and herbivores to...

DNA is known as the blueprint for life! Found in every cell of every living thing, DNA strands are packed inside a cell's nucleus carrying instructions and genetic information. Climb the double helix ladder and crack...

Many cycles occur on Earth that keep Earth's different systems connected. Introduce students to the various elements that help create Earth's many cycles. Create an interest in this topic and keep students engaged...

While only 12 people have actually had contact with it, many songs and movies have featured this shining object. But it's not a superstar, or even a star at all. It's our moon. From tides and tracking time to...

Ever wonder what life would be like without electricity? Become electrified with the amazing facts about how electricity was discovered and how it has evolved over time. High-interest text and vibrant images and...