What happens to trash if it is thrown into a river? Where does garbage in a lake come from, and how can it harm animals that live there? Poisoned Rivers and Lakes introduces young readers to the issues of river and lake pollution due to the dumping of garbage, chemicals, and other things into our planets waterways. It also gives students plenty of ideas for ways that they can be part of the campaign to help keep our rivers and lakes clean and safe for the future. Filled with information perfectly suited to the abilities and interests of an early-elementary audience, this colorful, fact-filled volume includes grade-appropriate activities and experiments, critical-thinking questions, and fascinating fact boxes to keep the pace lively and interactive.
Explains what soil is made from and what it contains; describes the scientific method; and includes experiments testing different soil concepts.
This book is an overview on hurricanes, how they form, the devastation they cause, and how meteorologists track these storms with several special types of equipment. Reading Essentials in Science.
This book discusses the formation and development of tornadoes, including what scientists study about them, the destruction they cause, and the technology people use to help prepare for their wrath of destruction. Reading Essentials in Science.
In this book, students see the NextGen Science process at work in a real-world situation. Readers practice close reading as they look for clues that will lead to a deeper understanding of volcanoes and scientists study them. The NextGen Science process pushes students to apply critical thinking as they learn new methods of exploration and build on concepts they may already know. Additional tools, including a glossary and index, help students learn new vocabulary and locate information.
Long known as a potential power source, geothermal energy - heated water from within the Earth - is now being tapped. This book outlines those efforts and looks to the future.
Following scientific process, this title provides instructions on how to conduct experiments that help students gain a better understanding of cause and effects of erosion.