Engineers design dams to help solve the challenges of providing drinking water and electricity to people's homes. Young readers will learn about the steps in the engineering design process and see what materials are used in construction to make dams strong enough to hold up against the strong forces of water, weather, and natural disasters. A link to interactive activities online plus an activity in the book allow readers to create stable dams.
Whoosh...the wind blows open a creaky gate. Inquisitive and mischievous, a homeless little cat scampers through - and suddenly finds herself in the wondrous world of an organic farm! Affectionately named "Molly" by the farmers who discover her, she romps, naps, and hunts among the vegetables. Seen through Molly's eyes, the reader discovers the interplay of nature that grows wholesome food. But what will happen to Molly when winter comes? Based on a true story, Molly will touch children's hearts while introducing them to plants and the key elements of growing food organically. Standards-based science concepts and activities at the end of the book expand the message of the story.
The boy and girl want to play in the snow. But, they can’t decide what to do. Will they be able to find something they both enjoy? Paired to the nonfiction title Where We Live.
Engineers are the reason we have everything from thumbtacks to rocket ships. But what do engineers think about? Where do they get their amazing ideas? Discover the ways engineers solve problems, learn about some engineering feats, and find out whether you may also think like an engineer.
Lions and bees and meerkats, oh my—these are a few of the many animals that survive and thrive in groups. Discover how group members help each other face life’s challenges. From finding food to raising young, some animals are just better off together
Imagine being able to taste or hear with your feet, or feel your way through the dark with your nose! Like humans, animals interact with the world through their senses. Unlike humans, many animals use their senses in truly unique ways to communicate, reproduce, and survive.
When you flip a light switch, it turns on the light. But how? Where does that energy come from? How does it get to the light bulb? Learn about all kinds of energy that power our world and how we can make sure we never run out!
What makes up every single thing in the universe? Teeny tiny specks called atoms. Atoms are the tiniest forms of matter, and matter is everything.
¿Qué son las nubes? ¿Por qué las nubes tienen formas diferentes? Descubre de qué están hechas las nubes y cómo se forman
A scientific look at the natural processes that create waterfalls, and where they are likely to form.
A scientific look at how trees grow, why they are important, and how they make other trees.
A scientific look at how clouds are formed, why there are different types, and what you can tell about a cloud by looking at it.
A scientific look at how rainbows are formed, why we can only see part of them, and how your location determines if you see one or not.
¿Qué son las caídas de agua? Son algunas de las creaciones más magníficas de la naturaleza. Conoce sus componentes y dónde puedes encontrarlas.
¿Qué son los árboles? ¿Qué hace que sean diferentes de otras plantas? Averigua qué hacen y por qué los necesitamos.
Hey, what are those things that help me to see? It’s my eyes. Learn all about different kinds of eyes and what they do. Everyone’s eyes are different but everyone’s eyes are special!
Come learn how to save water in your house. Telling your parents how to use less water will help out everyone. Paired to the nonfiction title Water All Around Us.
¿Qué forma los arco iris? Aprende qué es lo que hace que se formen los arco iris y cuándo es más probable que veas uno.
Mrs. Murphy’s class is on a field trip. However, Tim and James keep fighting. Will they ever stop fighting? Paired to the nonfiction title I Dig Dinos.
Es primavera y mamá y yo vamos a sembrar semillas de flores en el jardín. Papá llega justo cuando necesito ayuda y sembramos las semillas juntos.
Los días nevados son divertidos. Especialmente si tienes un amigo con quién jugar. Pero, ¿qué tal si no puedes ponerte de acuerdo sobre lo que quieres hacer? Finalmente, logran ponerse de acuerdo.
Soil hides most of the time, but it’s important. Dig into the layers of soil and learn how it is made. Find out how soil helps plants and other living things thrive. Are you ready to get your hands dirty?
Plant roots are amazing! From keeping plants anchored in the ground to sucking up water from the soil, roots are an essential part of plants. Some go deep below Earth’s surface while others spread far and wide just below the dirt. Dig in to discover how roots help plants survive.
Ever wonder how plants reach toward the sun? Or how water gets from the roots to the leaves? A plant’s stem is like a highway, transporting water and food where it’s needed. Dig in to discover how stems work to support a plant’s survival.
Some are bigger than a school bus. Others are as small as a candy sprinkle. Some make people itch. What are they? Plant leaves! Find out why leaves are a certain shape and size, how they help plants grow, and perform your own experiment to find out just what leaves need to grow.