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Grade 8

473 records found. Displaying 445 - 456.

Science

What Is the Theory of Plate Tectonics?

In 1912, German meteorologist Alfred Wegener published his groundbreaking theory of continental displacement. His theory proposed that the continents were once a single land mass but had… More →

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Health

Why We Need Carbohydrates

Even though carbohydrates have been given a bad rap in recent years, they are essential for maintaining good health. This fascinating title examines the chemical structure of carbohydrates… More →

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Health

Why We Need Fats

There is a great deal of fuss about fat! Fat is an essential nutrient for optimal health, however too much fat can lead to health problems. This informative title helps clear up the confusion More →

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Health

Why We Need Minerals

Minerals are essential to maintaining good health. They boost our immune systems, support normal growth and development, and help cells and organs function. This engaging title explores the… More →

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Health

Why We Need Proteins

Protein is essential to all life. Our organs, bones, muscles, skin, and hair either contain or are made of proteins. This engaging title explains how our bodies break down large protein… More →

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Health

Why We Need Vitamins

We all know that vitamins are necessary for proper growth and good health. But what vitamins do we need and how does our body use them? This informative title identifies essential vitamins… More →

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Health

Why We Need Water and Fiber

Water and fiber are essential for good health. Water plays a vital role in nearly every bodily function, including regulating temperature and removing toxins. Fiber is essential for… More →

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High Interest

Wildfire Readiness

As people expand settlement into wilder areas, the impact of wildfires, both naturally occurring and human-set, becomes more destructive. This timely book examines what scientists know about… More →

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History · Social Studies

Women in the Renaissance

Women in the Renaissance investigates how women struggled for identity, influence, power, and recognition in a society dominated by men. Most were forced to serve their husbands and rulers or More →

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