La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo físico en este libro con el tema de la electricidad y la luz.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo natural con el tema del espacio.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo físico en este libro con el tema del ciclo del agua.
Learn how structures are being built to withstand nature's destructive forces.
En este libro aprenderás la importancia de llevar especies extranjeras a lugares distintos a su ecosistema original y todos los efectos negativos que pueden causar al ambiente.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo natural con el tema de cómo viven y crecen las plantas.
Historia de la NASA, sus antecedentes y distintas etapas que han repercutido en el desarrollo de la ciencia y la tecnología, además de traer influencia positiva para la civilización.
This entertaining and insightful book will show young readers about the chemical compounds that make up the world around them. Colorful illustrations encourage interest in this vital basic science, giving readers knowledge of the periodic table and the importance of chemical compounds in their lives.
Almost everything around us is a combination of different things. These are mixtures and solutions. Seawater, for example, is a solution of salt and water. The engaging text and vivid illustrations in this book will help readers understand how mixtures and solutions form, and how they apply to everyday life.
This book gives young readers a better understanding of the different states of matter. Through colorful photographs and lively discussions of familiar materials, readers will be drawn in to learn about matters many forms.
Through exciting, familiar examples and engaging illustrations, readers will discover how chemicals react and change. Topics include how chemicals react with one another, chemical changes such as precipitation and oxidation, how catalysts affect chemical reactions, and what everyday events are actually chemical reactions
Young readers will be amazed to learn about the tiny particles that make up everything in the world around them. Colorful illustrations and fun fact boxes will help readers understand how atoms come together to form molecules, the building blocks of everything in the universe.
Did you know that cola is an acid? And your saliva is a base? Young readers will learn about common acids and bases from lemon juice to ammonia. Through vivid examples and exciting illustrations, this book will eagerly explore these important chemical compounds.
This engaging title explains that electromagnetism is the combined power of electricity and magnetism. Detailed images, clearly written text, and opportunities for hands-on learning combine to teach readers the core concepts of electromagnetism and their many applications in everyday lifefrom watching television to using a computer. Readers will learn how to build an electromagnet and perform tests to understand how to increase its strength.
This comprehensive title introduces readers to current electricity and circuitsthe pathways through which electricity flows. Detailed diagrams and supportive text explain the basic components of an electric circuit and the functions of these parts. Through real-life examples and opportunities for hands-on learning, readers understand and construct simple open, closed, parallel, and series circuits.
This informative title introduces readers to the electrical properties of different materials. Readers will learn that conductors are materials that allow the flow of electricity, while insulators are materials that do not allow the flow of electricity. Clear text and relatable, real-world examples help readers understand the importance of conductors and insulators and how each reacts to electric current. Readers will also learn how to perform simple tests to identify materials that are conductors and insulators.
Water plays a vital role in nearly every bodily function, including regulating temperature and removing toxins. Fiber is essential for gastrointestinal health. This compelling book examines how fiber and water work together to help our digestive tracts run smoothly.
Our organs, bones, muscles, skin, and hair either contain or are made of proteins. This engaging title explains how our bodies break down large protein molecules into the amino acids that our bodies need to maintain our muscles, bones, blood, and body organs.
Minerals boost our immune systems, support normal growth and development, and help cells and organs function. This engaging title explores the roles of key minerals, such as calcium, iron, potassium, and magnesium.
We all know that vitamins are necessary for proper growth and good health. But what vitamins do we need and how does our body use them? This informative title identifies essential vitamins and explains how our bodies absorb them.
Even though carbohydrates have been given a bad rap in recent years, they are essential for maintaining good health. This fascinating title examines the chemical structure of carbohydrates and explains the differences between simple and complex carbohydrates.
There is a great deal of fuss about fat! Fat is an essential nutrient for optimal health, however too much fat can lead to health problems. This informative title helps clear up the confusion about this controversial nutrient.
Children see themselves as part of a non-living world of houses, schools and televisions. This intriguing new book explains what a living thing is so that children can make the connection between themselves and other living things, including plants, animals, and insects.
