Rebecca Stefoff
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English
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In the nineteenth century, over half a million men, women and children traveled west on the Oregon Trail. Stretching two thousand miles from Independence Missouri, to the Pacific Northwest, the Oregon Trail was the longest overland route used in the westward expansion. Crossing mountains and deserts, fighting disease, short of both food and water, pioneers endured many hardships to follow the trail west with their hopes and dreams of seeking fortunes...
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Is it science? shows the scientific method at work. Each volume in the series explores a branch of modern science or a major scientific mileatone, comparing and contrasting it with an older idea that has been proved wrong or fails to meet the standrads of science.
10) Building tunnels
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English
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Tunnels allow people to cut through tall mountains or even travel deep underwater. Discover the engineering behind tunnels.
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English
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Birds that are smarter than a fifth grader--smart enough to do math, that is. Chimps that use tools. These are just two examples of the amazing skills of the animals all around us. In this jovial book, award-winning author Rebecca Stefoff tells us not just that animals are intelligent, but explains how researchers have discovered how smart they are. Readers will learn the languages of chimps and the mental maps of birds as well as the disputes that...
12) Building dams
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English
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Dams change the landscape, providing reservoirs of freshwater and even producing electricity. Discover the engineering behind dams.
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"Explores various perspectives on the Space Race. The reader's choices reveal the historical details"--
"You are living in a time of change and progress. World War II is over, but the Cold War between the United States and its former ally, the Soviet Union, is on. Each country begins pouring resources into a battle for the most advanced space exploration technology. You are about to become a part of this exciting competition. Will you: Help the United...
Author
Series
Language
English
Formats
Description
Is it science? shows the scientific method at work. Each volume in the series explores a branch of modern science or a major scientific milestone, comparing and contrasting it with an older idea that has been proved wrong or fails to meet the standards of science.
Author
Series
Language
English
Formats
Description
Is it science? shows the scientific method at work. Each volume in the series explores a branch of modern science or a major scientific milestone, comparing and contrasting it with an older idea that has been proved wrong or fails to meet the standards of science.
18) How animals play
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"Provides comprehensive information on the science behind how and why animals play"--Provided by publisher.
Author
Series
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English
Formats
Description
Is it science? shows the scientific method at work. Each volume in the series explores a branch of modern science or a major scientific mileatone, comparing and contrasting it with an older idea that has been proved wrong or fails to meet the standrads of science.
Author
Series
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English
Formats
Description
We say that the sun "rises" in the morning and "sets" at night, but is it really moving? Learn about the long, sometimes dangerous struggle to discover whether the sun revolves around Earth, or Earth around the sun, and find out what scientists now know about our planet's place in the universe. -- From cover.