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Tractors
Tractors are a big help to farmers because they can pull heavy loads, till soil for planting, and d
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Saving the Endangered Gray Wolf
Feared, revered, honored, and hated at various points throughout history, the gray wolf has always
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Smelly Science Fair Projects
Your sense of smell plays a huge role in how you taste, what you remember, what attracts you, and w
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How to Build a Prize-Winning Robot
Rosen 出版Robotics competitions are among the most competitive school extracurricular activities around, and
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Gross Things about Your Food
Ingram 出版Fungi's role in making cheese is quite unsavory to think about, but the end result sure tastes good
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The 1970s
The 1970s were a time of protest and change. President Nixon broke the law and caused the Watergate
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Sports Science Fair Projects
Why do baseballs have stitches? Why do football have an oblong shape? How does a Ping-Pong ball cha
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Emperor Penguins
How do emperor penguins survive on the frigid Antarctic ice? How do they raise and protect their ch
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The 1940s
A decade of invention, adaptation, and creation, the 1940s were also a time of world conflict. From
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A Look at Igneous Rocks
Easy-to-comprehend language and full-page photographs of igneous rocks inform readers on what they
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Clean Air for All
Is there anything a young person can do to help make Earth's air clean and safe? Absolutely! It's e
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Baby Animals of the Mountains
Readers meet the baby animals of the mountains. This easy-to-read book is filled with great informa
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Leafy Sea Dragons and Other Weird Sea Creatures
In this easy nonfiction reader, author Carmen Bredeson explores the world of strange sea creatures.
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Baby Animals of the Frozen Tundra
This easy-to-read science book fills a need for nonfiction science readers while entertaining stude
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Coral Reefs
Provides a basic introduction to coral reefs, including geographical information and plant and anim
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Animals
Introduces the idea of cycles in nature, and discusses the life cycles of many different animals, e
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Rainbows
Provides a basic introduction to rainbows, including how and when they are formed.
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Ice Age Neanderthals
A history of the Neanderthals, a species of human beings who lived in Eurasia for hundreds of thous
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Lions Up Close
Give readers an engaging book that takes them on an African safari to meet the king of the savannah
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The Cotton Gin
This volume explains the mechanics of the cotton gin, invented in the late eighteenth century by El
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The Green Iguana
Also known as the giant green iguana, this lizard starts out small but can grow to be more than 6 f
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Water in Plants and Animals
All life on Earth depends on water. Eye-popping illustrations and straightforward scientific descri
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Ocean Animals
Easy to read text with rebuses explores animals that live in the ocean.
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The Robin in the Tree
Follow a pair of robins as they prepare for the arrival of their new babies.
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The Lion in the Grass
Easy-to-read text with rebuses explores how a lion spends his time, from hunting zebras in the tall
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Keeping It Green!
It's time for readers to go green and stay that way. Each one of us, no matter the age, can take pa
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Robots
Discusses the history of robots and the uses of robots. Includes some information about robots seen
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Freaky Stories from Beneath the Sea
There is still so little we know about all that happens in the world's vast oceans. The dark depths
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Earth’s Water
All living things need water to survive, and all living things are partially composed of water. For
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Fun Frogs/Ranas Saltarinas
Readers explore fascinating facts about frogs with the easy-to-follow, bilingual text format this b
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What’s Inside a Fire Truck?
Describes how the equipment on two types of fire trucks--the ladder truck and the pumper truck--is
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