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Yes, sound is a form of energy too. In this book, you will study about the basic physical phenomena of sound. What is the source of sound? How does it travel? What are sound waves? And how are sound waves affected by the volume of sound? This book is an excellent introduction to sound as an energy. Buy a copy today.

Music is pleasant sound. Music is produced by instruments, each with a unique sound. In this book, you will get to know the instrument families such as brass, woodwind, stringed and percussion. Identify the instruments under each family and read about how they produce sound. Which of these instruments is your favorite?

Did you know that there are several sources of energy in this world? This book will start off with a definition of energy and its two forms. It will then be followed by a discussion of the types of energy such as electrical energy, radiant energy, chemical energy and thermal energy, and so on. Get a copy of this book and start reading tod

All living things need energy to survive. People are of no exception. In this book, you are going to read about how people use energy in their everyday lives. Read about the reason why there are different kinds of energy, where they come from and how they are used. There is plenty to learn from this physics book for fourth graders. Make s

Matter can go through a physical change. It can changed its size but its chemical composition would remain the same. This book will discuss the physical changes in matter. To facilitate a better understanding, examples will also be provided. If you notice your child experiencing difficulty in this area of study, then give him/her a copy o

Read about the chemical changes in matter. Understand what chemical change means and why does it happen. What are the circumstances that bring about a chemical change? What are examples of chemical change? With the information presented in this book, you will become an expert of the topic in no time. Start reading today.

Learn to measure heat! Use this book to learn how to measure temperature, conductivity, and solubility of certain objects. Afterwards, draw a conclusion of how these objects can be classified based on these properties. Learning physics is going to include a lot of calculations so make sure you're ready. Grab a copy today.

Can you measure matter? Apparently, you can; and this book will show you how. Learn to measure matter using dimensions, weight, and volume. Classify objects based on these common properties next. This will be an exciting book to read and study. Grab a copy, read and don't forget to take notes, too!

Did you know that millions of years ago the Earth only had one super continent? If you look at a globe today, you'd notice how continents fit into each other like puzzle pieces. But how did the super continent break apart and become seven different continents? Let's look at the mechanics of the continental drift in this book for fifth gra

If you take care of the environment, it will take care of you too. But as a young child, what can you do to protect your natural surroundings? Well, this book will give you plenty of clue! Go over the contents of this book to understand how little acts can actually have a major impact when it comes to environmental protection. Go ahead an

Learn to explain, in your own words, the structure of a volcano. What is inside of it? What is the difference between a magma and a lava? What are the different kinds of volcanoes on Earth and how did they come to be? This book is simply exploding with information on the subject. Grab a copy today!

Did you know that plate movements create ocean basins and mountains? In this book, you will understand how dome-shaped as well as fault-block mountains are formed. You will also see pictures of some of the most interesting and beautiful mountains from anywhere in the world. Go ahead and grab a copy today.

At the end of this book, you should be able to appropriately discuss plant reproduction and where forests came from. Specifically, you will be reading about the means of plant reproduction of both flowering and non-flowering plants. Add this book to your reading list if you want to learn more about the subject beyond what your textbooks o

Learn amazing facts about some of the strongest earthquakes that once shook the Earth. You will see pictures of the damage these earthquakes have caused. You will also get information on how the quakes altered the lives of people in and around the epicenter. More importantly, you will find out where the quakes the originated and how stron

How is a rainbow formed? In this book, you will read about the behavior of light resulting in the formation of a rainbow. Discussed in this book are how light is refracted, reflected, and/or absorbed when it interacts with matter. What a wonderful and easily relatable introduction to optics this book is! Grab a copy today!

This time, you will read about the longest river in North America. Where does the Mississippi River begin and end? In which states does it flow through? What is the significant of the Mississippi River in the shaping of North American history and culture? If you are interested about geography and the major rivers in the world, then this b

What happened in the Valley Forge? What was its purpose in historical accounts? In this book, you will read about the importance of the Valley Forge in the history of the American Revolution. Not only will you see its vantage point, you will also learn about the lives of the soldiers stationed there. By reading this book, you will also un

The Aztecs went a long way from being nomads to city builders. Such a leap was not easily done so how did they do it? In this book, you will read about the history of the Aztec people. You will gain important information on the lives they lived, the leaders they selected and the culture they painstakingly built. Get ready for a mind explo

Do you know what's interesting about history? Historic changes happen because of trivial things like fur. In fact, it was the fighting over fur that cause the English and French War. You will learn other mind-blowing facts about the French and Indian War in this beautifully illustrated book for fourth graders. Have a good read!

The Indus River was an important location in ancient times. Near it, civilizations thrived. In this book, you are going to learn about the ancient civilization of the Indus River, and how such a body of water was instrumental in the people's survival. Go ahead and grab a copy of this book today.

Did you know that the Inca road system was the most advanced in pre-Columbian South America? Read about how such an ancient civilization managed to create a complex road system. Who planned it all out? What materials did they use? How did the Inca road system affect their way of life? You'll find all the answers in this book for fourth gr

Ancient Egypt was one of the most documented ancient civilizations in history. However, there were mysteries that continue to puzzle even the most experienced archaeologists today. In this book, you will read about some of the mysteries of Ancient Egypt. What did you like best and why? Get a copy today.

Go beyond the question of "what are endangered animals?" Instead, try to dig deeper and understand how these animals became endangered in the first place. Because what's more important than identifying the endangered animals is to realize how certain forces have almost driven them to extinction. Is there anything that you can do to save t

Countries around the world are adopting policies that save and conserve the environment. Five of these countries will be discussed in this learning book for fourth graders. The purpose of this book is to encourage other countries to adopt similar, or even better, policies. Educating the youth that it's possible to save the environment giv

Learn about the digestive system with the help of this visual reading book. Discuss the organs that comprise the digestive system, and how they are interdependent with each other. You will also learn good food helps the body. In fact, you will have the opportunity to trace the path of food as it travels through the digestive system. Grab

The nervous system is the mission control of your body. It is where the brain sits and, with the help of its nerves, spread information throughout the body. For example, if you think about moving your hand, then you can make it move. With this book, you will learn about the functions of the nervous system. You will also learn how its stru

What were the reasons for explorations? Didn't the Europeans enjoy the lives they've been living? This book will discuss why the Europeans were willing to cross the seas, despite unfavorable conditions, to explore and settle in new lands. Of course, there will be a discussion on how they wanted to find wealth, new trade routes, navigation