This illustrated discussion of global positioning systems (GPS) covers their development and uses for navigation, rescue, military operations, recreation, and geocaching.
Explore the evidence and opinions behind the headlines on climate change. In Shaping the Debate: Defining and Discussing Climate Change readers will learn about the science behind the causes and effects of Earth’s changing climate and understand the political context. Then, decide where YOU stand on this important issue.
What will the weather do today? In Science Masters: Weather Prediction, readers will learn about ways people have developed to predict the weather, from looking at the sky to running models on a computer. Temperature, pressure, and wind speed are among the factors that determine whether to look out for sunshine or a tornado. Weather prediction not only helps you plan your day, but it can also even save lives!
Some planets are cold, dark, and lifeless. Not Earth! Our world is full of light, heat, and motion. What makes the difference? Energy! Energy flows through growing plants and blowing winds. It powers your body and the machines you use each day. Discover how the sun's energy travels to Earth and how it is stored and used by living things. Learn why heat in our atmosphere is rising and what people can do to control it.
Did you know that much climate change is caused by natural events? But how do humans influence climate change? Answer this question and learn how scientists make predictions about climate change. This title supports NGSS for Earth and Human Activity.
A region's climate affects nearly every part of animals' and peoples' lives. Learn about how humans contribute to climate change and what you can do to help limit its effects. This title supports NGSS for Earth and Human Activity.
The usual climate of an area can change drastically. But what causes climate change and how can you help protect the planet? Read on to answer these questions and others. This title supports NGSS standards for Earth and Human Activity.
Climate is an important part of every ecosystem. Even small changes in the climate can have a big impact. Learn about the affects of climate change on ecosystems and what you can do to help. This title supports NGSS for Earth and Human Activity.
Yellowstone National Park offers researchers and scientists from around the world an opportunity to study a wide range of subjects throughout the Greater Yellowstone Ecosystem, one of the largest intact temperate zone ecosystems in the world.
Readers will explore the scientific research underway at the Gates of the Arctic National Park.
Readers will explore the scientific research underway in Rocky Mountain National Park.
Daring and Dangerous: Storm Chasers for grades 4–8 introduces young readers to the exciting world of storm chasing. From tornadoes to hurricanes and other extreme weather events, this 32-page book gives readers an inside look into how and why these daring people brave extreme weather and what they are trying to accomplish.
En el libro se describen los procesos naturales que crean las rocas. Se examinan las rocas ígneas, sedimentarias, y metamórficas.
This book examines the natural forces that create and shape rocks, minerals, and soil and explains how they are an influence to how Earth changes throughout time.
This book discusses types of weather, including storms, weather instruments, and how weather is predicted.
Discusses solids, liquids and gases as well as the changing states of matter, water, weather, and evaporation.
Defines geology and discusses Earth's layers, soil, plate tectonics, types of rocks and the rock cycle, and land formations.
Take an in-depth look at earth science in this science encyclopedia.
This book presents a collection of questions, answers, and facts about the planet Earth, including its origin, continents, and relation to the Sun and Moon.
Examine how the fossils document the appearance, diversification, and extinction of many life forms.
Discover the processes that form everything from the smallest pebbles to the highest mountains.
This book discusses how the Earth rotates on its axis, causing day and night, and revolves around the Sun, causing changes in season and weather occurrences.
Take an in-depth look at earth science in this encyclopedia.
Take an in-depth look at animal life in this science encyclopedia.
Describes how rocks, minerals, and soils are formed, their properties, and why humans are dependent on them.