Professor - 電子書籍 90

The use of machines was the number one change that happened during the US industrial revolution. But how did factory workers react to such change? What were the efforts exerted to improve lives in t……続きを見る

Comparing life processes is included in your child’s biology lessons when he/she reaches seventh grade. You have the option to purchase this educational book as an advance resource or as a reviewer.……続きを見る

History has it that the Jewish people have struggled a lot. Their story includes struggles, captivity, and the search of freedom and a home. Interestingly, their story crosses that of the Romans. In……続きを見る

So how are elements and compounds made? This book will give you some clear-cut answers to your question. Also, read this book to gather important facts like the identified elements that are in exist……続きを見る

In this book, you are going to learn about the effects of used natural energy resources to the environment. These effects could be positive or negative. Therefore, the purpose of this book is to rai……続きを見る

By the end of this lesson, your child will be able to demonstrate understanding of how the surface of the Earth changes constantly. He/she will read about the mechanics of plate tectonics in a langu……続きを見る

Kids need to have the right amount of social skills to make and keep friends. Social skills are essential tools in keeping person to person interaction. However, the rate of technological advances t……続きを見る

With the help of this educational book, your third grader will learn to correctly identify renewable and non-renewable sources of energy. It’s important to know the differences in making informed de……続きを見る

Natural disasters are those caused by nature. Examples of which are earthquakes, volcanic eruptions and tsunamis. They cannot be avoided but extent of damages can be curbed depending on the level of……続きを見る

It’s easy to compare plants using the more noticeable characteristics like color and size. But if you want to be a scientist, you need to learn to look deeper. This book will guide you to do that. F……続きを見る

As an eighth grader, you already know the difference between weather and climate. This time, you will learn to predict weather conditions by looking at data from weather maps and instruments. Discus……続きを見る

Let’s go microscopic inside your body! In this book, you will be learning about the characteristics of the cell, which is the basic unit of life. Learn to identify the structure as well as function ……続きを見る

Did you know that you can use the scientific method of investigation even beyond the confines of a controlled environment, such as a laboratory? Yes, the scientific process can be used in almost all……続きを見る

Although women were not allowed to join the navy or the army, they fulfilled roles as important as the men. They had to stay behind and take care of homes, businesses and farms. In this book, you wi……続きを見る

There are geographic tools that help build your knowledge of the world. Some of these are maps, globes, and atlases. These give you information about the Earth’s surface and how far a country or cit……続きを見る

Electricity flows if a positive terminal and a negative terminal are completely connected. That’s the most basic information there is about the structure of electrical circuits. However, this book w……続きを見る

What happened during the US western expansion? How did the fur trade push the US to purchase new territories in the west? This history book discusses an economic reason for the purchase of new land.……続きを見る

In this book, your child will learn to identify on the map where the ancient world of Phoenicia was located. He/she will also learn how unique Phoenicia was compared to the present-day countries in ……続きを見る

This time, let’s learn to measure light. This science book will teach your fifth grader that light is an energy form that can be measured using wavelengths, cycle and frequency. Also included in the……続きを見る

Let’s go back centuries past and visit the American West during its settlement. How did mining and the transcontinental railroad help in the development of the West? What were boomtowns and why did ……続きを見る

At the end of this book, you should be able to identify electricity as the flow of electrons. How do electrons move? What causes them to move? Further reading would yield terms like static electrici……続きを見る

You probably know that plants and animals are different just by looking at them. But if you were to look at samples of their cells, would you be able to differentiate them? Fret not, this book will ……続きを見る

Explore the world of meteorology and determine what jobs are available in that field. Perhaps one of the main reasons why children don’t choose to be meteorologists when asked of their career plans ……続きを見る

Imagine a world without bees. No more buzzing in the garden, no more honeycomb and no more honey too. Worse, flowers and plants could disappear too. Bees are important pollinators. Without them, the……続きを見る

Different organisms eat different things, and it goes beyond preference. This book will educate you on how organisms acquire energy and growth by eating the right kinds of food. It will also explain……続きを見る

Doesn’t it make you wonder how plants reproduce if they don’t have seeds in the first place? We will be using the examples of mosses and ferns to study how non-seed plants reproduce. Also, explore t……続きを見る

Let’s study light. If you notice your sixth grader struggling in school, the you must prepare follow up tools. An example is this science book that talk about the electromagnetic spectrum, as well a……続きを見る

Let’s talk about scientific discoveries. In particular, let’s discuss those focused on the improvement of human health and environment. Who discovered them and how were these discoveries used to imp……続きを見る

When you’re doing an experiment, it would be best to work together as a team. If you don’t like the idea of a collaboration, then this book will convince you otherwise. Read about the benefits and c……続きを見る

Every organism that has walked on Earth leaves imprints. Humans are of no exception. However, the imprints humans leave may not be all good like pollution and damage to ecosystems. This science book……続きを見る