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Author
Series
Language
English
Description
Earth's outer atmosphere is the transition zone between the planet and outer space. This sphere begins at the upper levels of the atmosphere and stretches out thousands of miles from Earth. While it appears empty, this sphere actually contains small amounts of gas, but the atoms of gas are so widely spaced that no life can exist. As the place where Earth first interacts with the Sun's energy, the outer atmosphere is crisscrossed by radiation and intense...
Author
Accelerated Reader
IL: MG - BL: 6.4 - AR Pts: 1
Language
English
Description
Earth's atmosphere plays a key role in maintaining the overall health of the planet. It is made of a very thin layer of air, which covers every inch of Earth's surface up to the edge of space. Readers of this engaging volume will learn all about the atmosphere, from its composition and behavior to how it affects life on Earth. Eye-catching photographs pair closely with age-appropriate text, supporting a deeper understanding of the curriculum-based...
Author
Accelerated Reader
IL: MG - BL: 6.6 - AR Pts: 1
Language
English
Description
The biosphere is the part of Earth where life exists or can exist. It includes all living things on Earth, as well as the nonliving systems that help them survive. Readers of this stimulating volume will learn how people affect the biosphere and how life and energy are maintained in the biosphere. Key elementary science curricula, including concepts such as food chains and life cycles, are reinforced through eye-catching graphic elements and age-appropriate...
Author
Accelerated Reader
IL: MG - BL: 5.8 - AR Pts: 1
Language
English
Description
Water is one of the more essential components needed to sustain life on Earth. All water on the planet in all its states-frozen, liquid, and gaseous-make up the hydrosphere. Readers of this captivating volume will learn that liquid water not only exists on the surface of the earth but also in reservoirs underground. They'll also learn that frozen water exists as glaciers, ice caps, and icebergs, making up a special subcategory of the hydrosphere called...
Author
Accelerated Reader
IL: MG - BL: 6.3 - AR Pts: 1
Language
English
Description
Earth's lithosphere is the rigid, outer part of the planet, including the crust and upper mantle. Readers of this informative guide will learn about the types of rock, including igneous, metamorphic, and sedimentary, that make up the lithosphere-and how they come together to form the rock cycle. They'll also see how the movement of tectonic plates inside Earth creates landforms and natural events. Helping to fulfill standards in the earth science...
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