Science

Fossil-fuel cars emit poisonous gases, but the only thing that comes from the tailpipe of a car powered by a hydrogen fuel cell is water. Hydrogen Fuel Cells shows how these fuel cells work, how they came to be, and how they are coming into wider use...

The movement of a rushing river is a valuable energy source. Hydroelectric Energy shows how engineers build and operate dams, turbines, and generators to turn this movement into electricity. Easy-to-read text, vivid images, and helpful back matter give...

Climb Aboard! Explore the difference between meteor, meteorite, and meteoroid! Investigate comet composition and development and their observation through history! Learn about asteroids! Learn about key astronomers tools such as telescopes and the Deep...

Climb Aboard! Explore the beginning of the universe, the big bang theory, galaxies, and black holes! Learn about key astronomers and their contributions to space exploration! Examine the Hubble Space Telescope and the Large Hadron Collider! See an...

From zooplankton to phytoplankton, these small-scale superheroes are the foundation of the ocean's food chain, keep our climate in check, generate up to fifty percent of the oxygen produced on the planet each year--and much more. Stunning microscopic...

Sounds can be loud. Sounds can be soft. We use our ears to hear all kinds of sounds. But how is sound made? Let's investigate to find out about sound!

You push your friend while they swing. You pull open a door. What happens when you push or pull an object? Let's investigate pushing and pulling forces!

Scientists put things into groups so they are easier to study. Materials have different properties. What are they, and how they are grouped? Let's investigate materials!

Drip, drip! Rain falls from dark clouds in the sky. It gathers in little puddles on the ground below. But where did the rain come from? And after the clouds part and the sun comes out, where do the puddles of water go? What's up with water? The answers...

Nature has 3.8 billion years of experience! Learn how nature has led designers and engineers to develop new ways to collect and conserve energy. This title supports NGSS for Earth and Human Activity.

Scientists around the world are working to understand our changing climate. Learn what they do and how you can help. You may want to become a citizen scientist! This title supports NGSS for Earth and Human Activity.

The usual climate of an area can change drastically. But what causes climate change and how can you help protect the planet? Read on to answer these questions and others. This title supports NGSS standards for Earth and Human Activity.

What we eat can help decide the future. Learn how our food sources are closely linked to climate change and what we can do to help limit its affects. This title supports NGSS for Earth and Human activity.

In this STEAM title, learn about the tools scientists use and why they use them. You can also make a scientific tool of your own. This title supports NGSS for Engineering Design.

Let's Save Energy! shows early fluent readers why it's important to lessen our carbon footprint with fun and easy ways they can do it every day. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn specific ways...

Let's Save Energy! shows early fluent readers why it's important to lessen our carbon footprint with fun and easy ways they can do it every day. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn specific ways...

Count down the five most fascinating fossil finds in this X-Book about monster birds! Kids learn about this Ice Age animal's features, behaviors, and hunting tactics, as well as how it went extinct. Xciting facts and xtraordinary pictures bring history...

Count down the five most fascinating fossil finds in this X-Book about mammoths! Kids learn about this Ice Age animal's biological and social features and how it went extinct. Xciting facts and xtraordinary pictures bring history back to life with...

Count down the five most fascinating fossil finds in this X-Book about giant beavers! Kids learn about this Ice Age animal's biological and social features and how it went extinct. Xciting facts and xtraordinary pictures bring history back to life with...

An in-depth study of population growth, examining the effects the increasing human population has on the natural world, as well as what people can do to promote conservation and develop a more sustainable lifestyle.