Two small robots explore science and technology in their workshop. Enriched by amusing illustrations, witty texts, photos and information boxes, young children will learn the basics of the pulley.
Two small robots explore science and technology in their workshop. Enriched by amusing illustrations, witty texts, photos and information boxes, young children will learn the basics of the wedge.
Two small robots explore science and technology in their workshop. Enriched by amusing illustrations, witty texts, photos and information boxes, young children will learn the basics of the lever.
Sally Ride soared into outer space on the Space Shuttle Challenger in 1983, the youngest astronaut and the first U.S. woman in space. Just 32 years old that year, this California girl was already an accomplished astrophysicist when NASA chose her. Since then, she has written several books introducing young readers to the subject of space exploration and encouraging them to study the sciences.
From the earliest times humans have shaped and changed the landscape. Historical and modern-day examples in this interesting book show how natural habitats and wilderness areas are destroyed as people need more land for farming and to build towns and cities, and how increasing urbanization of populations is adding to the problem of carbon emissions that cause climate change.
This intriguing book shows how this group's unusal members are generally classified according to an absence of a feature, such as the lack of complicated cell structure. Learn about such exotic organisms as algae, amoebae, and slime moldsall of them protists. Case histories examine the importance of plankton to the marine food chains and the role of protists in various diseases.
You can find different kinds of patterns in the world around you. See where we found patterns!
Do you know how to make a paper clip dance? Read this book to find out!
Some storms bring powerful winds and rain. This book shows some amazing storms!
Do you know where the water goes when a puddle dries up? Read this book to find the answer!
Animals can see, hear, touch, taste, and smell things too. Some animals can do these things much better than you!
Sometimes the weather is rainy. The weather can be snowy, too. See what people do in all kinds of weather.
A dog's teeth are hard. His fur is soft. See some animals at the zoo that have hard and soft parts, too!
The sound of a whisper is soft. The sound of a shout is loud. Read this book about many different sounds.
Can you push things? Can you pull things? Can you lift things? You can! You can move things.
Do all plants live on land? Plants live in many different places. Read about where plants live
Solids, liquids, and gases are all around you! In this book, you'll see the states of matter at parties!
Many foods have the same color, but do they have the same taste?
Solids are all around. Solids can be made of many materials. Can you spot a solid?
From eating right to getting enough sleep, there are many ways to take care of you. Find out how you can stay well.
Meet animals that live in the rain forest. Find out what they like to eat and how they get their food.
Baby animals get bigger with their mothers' help. Soon they will be all grown up!
When the seasons change, there are new activities to try. Learn what you can do in winter, spring, summer, and fall.
A powerful wind can be good or bad. Do you like the wind?