Maps and globes are among the most important tools that scientists have for studying the earth. In the 1500s, Gerardus Mercator created the first globes and maps. William Davis helped make geography a school subject and is a founder of geomorphology, the study of landforms. He also made important discoveries about the cycle of erosion. Many of today's discoveries come from photos taken from satellites that orbit our planet.
Explains the five main types of mountains--fold, fault-block, dome, volcanic, and plateau--and describes how they provide valuable resources for people, farming, mining, and tourism. Reading Essentials in Science.
How much of Earth's surface is covered by water? How do the northern lights get their colors? Planet Earth has been home to mankind for hundreds of thousands of years and while scientists have learned a lot about it, they're still unraveling many of its mysteries. B is for Blue Planet: An Earth Science Alphabet explains what we do know about our planet and what more we have to learn. Examine Earth's diverse ecosystems (deserts), discover geological wonders (karst caves), learn about weather phenomena (hurricanes), and much more. Ruth Strother has been in the publishing industry for more than twenty years and is the author of fifteen books for children. She also wrote Sleeping Bear's W is for Woof: A Dog Alphabet. Ruth lives in Southern California. Bob Marstall was a K-12 art teacher for many years, and today he is an award-winning children's book illustrator. He tours all over the country, lecturing in schools on the integration of art and science. Bob lives in Northampton, Massachusetts.
Choosing just one animal mascot to represent the country of Australia is difficult! The marsupial contenders alone include the kangaroo, koala, and wombat. Then there are the predator options like the dingo and saltwater crocodile. After learning all about Australia in this title, fluent readers just might make a mascot pick!
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.