How do clouds form, and where does water go after it rains? What makes water stick to things, and does this characteristic serve any purpose? What effect does pollution have on the quality of water—for humans and other living things? Can salt water be made drinkable? Is it possible to change aspects of water such as its freezing point or density? Using simple and fun hands-on experiments, you can answer all of these questions and more as you learn about the substance that makes life possible on Earth—water.

Protect Earth's water. Water is essential for life, so it is essential we protect this important resource. This book will guide readers through science experiments that explain the properties of water, the water cycle, and how to conserve water, using the scientific method. Many experiments include ideas they can use for a science fair project.

Winner of the 2021 Caldecott Medal #1 New York Times Bestseller Inspired by the many Indigenous-led movements across North America, We Are Water Protectors issues an urgent rallying cry to safeguard the Earth’s water from harm and corruption—a bold and lyrical picture book written by Carole Lindstrom and vibrantly illustrated by Michaela Goade. Water is the first medicine. It affects and connects us all . . . When a black snake threatens to destroy the Earth And poison her people’s water, one young water protector Takes a stand to defend Earth’s most sacred resource.

From ancient times, people have wanted to learn about the sky. The stars, planets, and other heavenly bodies have been observed for centuries, and theories have changed as the equipment used has improved. Though we now know that the Sun is the center of our solar system, and planets and other objects move around it, we still have a lot to learn. What is a comet made of? Why is Pluto now called a dwarf planet? What causes a solar eclipse? A lunar eclipse? This book will help you answer these questions and more. Whether you try the experiments and activities in this book for fun or for a school project, you’ll discover why so many people are fascinated by our solar system.

Teacher Guide for corresponding title

Water systems are building blocks for poverty alleviation, shared growth, sustainable development, and green growth strategies. They require data from in-situ observation networks. Budgetary and other constraints have taken a toll on their operation and there are many regions in the world where the data are scarce or unreliable. Increasingly, remote sensing satellite-based earth observation is becoming an alternative. This book briefly describes some key global water challenges, perspectives for remote sensing approaches, and their importance for water resources-related activities. It describes eight key types of water resources management variables, a list of sensors that can produce such information, and a description of existing data products with examples. Earth Observation for Water Resources Management provides a series of practical guidelines that can be used by project leaders to decide whether remote sensing may be useful for the problem at hand and suitable data sources to consider if so. The book concludes with a review of the literature on reliability statistics of remote-sensed estimations.

Joan Slonczewski's A Door into Ocean is the novel upon which the author's reputation as an important SF writer principally rests. A ground-breaking work both of feminist SF and of world-building hard SF, it concerns the Sharers of Shora, a nation of women on a distant moon in the far future who are pacifists, highly advanced in biological sciences, and who reproduce by parthenogenesis--there are no males--and tells of the conflicts that erupt when a neighboring civilization decides to develop their ocean world, and send in an army. At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.