When it rains, we cover our heads or grab an umbrella. When we're thirsty, we turn on a faucet and get a drink of cool, refreshing water. Every day we come into contact with this precious resource, but how much do we actually know about H 2O? Readers will learn all the essential facts about water, including: What is water actually made of? Why is it called H 2O? How does it turn from a liquid into a gas, or from a liquid into a solid? And is it true that all the water on Earth has been here for billions of years? Filled with information perfectly suited to the abilities and interests of an early elementary audience, this colorful, fact-filled volume gives readers a chance not only to learn, but also to develop their powers of observation and critical thinking. With its stunning photographs and surprising, high-interest facts, this book makes learning about water an engaging experience

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