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It s pretty much impossible to imagine what our lives would be like without light energy. As this elementary-level STEM text explains, energy from the sun sustains life on Earth. Young readers will learn about the properties of light, what wavelengths are, the relationship between light and color, and how reflected light enables us to see things. Colorful photos and useful diagrams help illustrate the content presented, while sidebars prompt readers...
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Sounds are all around us, but what makes sound? How does it travel? What can it do? These questions and more will be answered as the science of sound energy is examined in depth. Readers will learn how the physical movement of objects creates sound, as well as the qualities of sound and how they vary, and are received. The uses of sound energy in various fields will be explored. Simple illustrations of sophisticated scientific concepts will enhance...
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Explore the exciting science of heat energy! Everyone has felt the encompassing embrace of warmth from the sun as we lift our faces upward. This authoritative source explains the world of heat energy: what heat energy is, how it is formed and measured, and its impact in our world daily. Vivid illustrations and vocabulary boxes help to make learning exciting and content clear to elementary readers. Interactive Compare and Contrast and Think About It...
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This lower-elementary title lays the foundation for readers to understand the form of energy that holds together the atoms in all molecules: chemical energy. After presenting the basics of energy, including how energy systems work and how energy changes form, the text explores chemical energy in-depth in an approachable way that will engage even reluctant readers. Vocabulary boxes throughout define difficult terms, while Think About It and Compare...
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