Follow along as a fictional researcher observes and makes journal entries about their field trip through the Serengeti ecosystem in Africa. Outstanding photographs highlight the animals, plants, and people that inhabit this diverse habitat where the world's largest land mammal migration takes place. Simple graphs show facts about the land, and the final report describes efforts being made to preserve the area.
Follow along as a researcher observes and makes journal entries about their field trip through the Rocky Mountains ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit the mountains that stretch down along the west coasts of Canada and the United States. Simple graphs show how much the mountain range has changed, and the final report describes efforts being made to preserve it.
Follow along as a fictional researcher observes and makes journal entries about their field trip through the Galapagos Islands ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit this unique group of islands. Simple graphs show facts about the islands, and the final report describes efforts being made to preserve them.
Follow along as a fictional researcher observes and makes journal entries about their field trip through Chile's Atacama desert ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit the stony desert. Simple graphs show facts about the desert, and the final report describes efforts being made to preserve it.
Follow along as a fictional researcher observes and makes journal entries about their field trip through North America's Great Lakes ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit the world's largest group of freshwater lakes. Simple graphs show facts about the lakes, and the final report describes efforts being made to preserve them.
Follow along as a fictional researcher observes and makes journal entries about their field trip down the Mississippi River ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit one of the world's major river systems. Simple graphs show facts about the river, and the final report describes efforts being made to preserve it.
Follow along as a researcher observes and makes journal entries about their field trip through the Amazon rain forest ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit the world's largest tropical rain forest stretching across eight countries in South America. Simple graphs show how much the rain forest has changed, and the final report describes efforts being made to preserve it.
Follow along as a fictional researcher observes and makes journal entries about their field trip through the Shunan Bamboo Forest ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit China's oldest bamboo forest. Simple graphs show facts about the forest, and the final report describes efforts being made to preserve it.
Follow along as a researcher observes and makes journal entries about their field trip through the Sonoran Desert ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit this hot desert that straddles the United States and Mexico. Simple graphs show how much the desert has changed, and the final report describes efforts being made to preserve it.
Follow along as a researcher observes and makes journal entries about their field trip through the Arctic ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit the frozen top of the world in Canada and the United States. Simple graphs show how much the Artic has changed, and the final report describes efforts being made to preserve it.
Follow along as a researcher observes and makes journal entries about their field trip through the everglades ecosystem in Florida. Outstanding photographs highlight the animals and plants that inhabit this unique wetland area. Simple graphs show how much the everglades have changed, and the final report describes efforts being made to preserve it.
Engineers design tunnels to help solve transportation challenges for people everywhere. Young readers will learn about the steps in the engineering design process and see what shapes and materials are used in construction to make tunnels stable. A link to interactive activities online plus an activity in the book allow readers to create tunnels that can withstand weight, weather, water, and natural disasters!
Engineers design bridges to help solve the challenges of barriers that block the movement of people. Young readers will learn about the steps in the engineering design process and see how different types of bridges suit different types of obstacles. They will also discover what materials are used in construction to make bridges stable. A link to interactive activities online plus an activity in the book allow readers to create bridges that stand up to the forces of extreme weather and natural disasters.
Engineers design skyscrapers to help solve the challenge of making room for a large number of people on a small piece of land. Young readers will learn about the steps in the engineering design process and see what shapes and materials are used in construction to make tall buildings stable. A link to interactive activities online plus an activity in the book allow readers to create skyscrapers that can withstand weight, weather, natural disasters—and time!
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.
