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How do you prove an impossible idea?
With courage, perseverance, and a lot of luck!
In 1915, British astronomer Arthur Stanley Eddington was fascinated with Einstein's new theory of general relativity. The theory talks about how forces push and pull objects in space. Einstein said that the sun's gravity could pull and bend light.
To test this, astronomers decided to photograph a solar eclipse. The eclipse would allow
...3) Reptiles
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Millions of years ago, mighty reptiles known as dinosaurs ruled the earth. Though they died out long ago, students still enjoy learning about their modern-day reptile relatives, from common snakes and turtles to the more bizarre worm lizards and tuataras. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these...
4) Birds
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Who wouldn't want to be a bird for a day, soaring high above the earth? Young readers will take a bird's eye view of life and will learn about how the many different kinds of birds have evolved and what they all have in common. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these books provide the tools...
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It's dangerous to talk on the phone during a thunderstorm. Flushing the toilet sprays water around the bathroom. Freezers can burn your food. You may have heard these common sayings or beliefs before. But are they really true? Can they be proven through research? Let's investigate seventeen statements about the kitchen and home to find out which ones are right, which ones are wrong, and which ones stump even the experts! Find out whether the smell...
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Your mouth contains more bacteria than a dog's. Money is covered with germs that can make you sick. The germs in a sneeze travel only an arm's length. You may have heard these common sayings or beliefs before. But are they really true? Can they be proven through research? Let's investigate seventeen statements about the microscopic world and find out which ones are right, which ones are wrong, and which ones stump even the experts! Find out whether...
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How did the great scientists make their remarkable discoveries? And what kind of men were they? This companion volume to Great Inventors and their Inventions introduces the work of nine men to younger readers, and ranges from the world of Ancient Greece to the 20th century discovery of DNA. Included are the crucial discovery that the earth goes round the sun (Galileo), the principle of gravity (Newton), the evolution of the species (Darwin) and the...
8) Sea jellies
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Floating slowly through clear blue water, colorful sea jellies seem lovely and peaceful. But, don't let their tranquility trick you! Learn how these seemingly simple creatures sting and trap their prey, make copies of themselves, and even grow new body parts! Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images,...
9) Fish
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It is hard to imagine life as a fish. How do they breathe underwater? How do they stay warm with no feathers, fur, or hair? Without ears, how can they hear? This book answers these questions and many more about that odd group of animals we call fish. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these books...
10) Amphibians
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Amphibians are some of the most interesting animals around. Follow frogs, salamanders, and their relatives from the ponds and lakes where they are born to the land where they lead their adult lives. Learn what amphibians can teach us about our environment. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these...
11) Sea stars
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Along the ocean floor, multicolored stars and suns shine, lilies bloom, and cucumbers grow. These creatures are all members of the sea star family. Young readers will explore the gardens of sea stars that brighten the bottom of our oceans. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these books provide...
12) Sponges
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Scientists once thought that the sponge was a kind of plant. In fact, sponges are some of the world's oldest animals! Readers will be amazed as they explore the many secrets of the sponge, its life cycle, and its many uses in the modern world. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these books provide...
13) Mammals
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Want a good example of a mammal? Look in the mirror! Young readers will discover what they have in common with both the family cat and the mighty grizzly bear while they explore the many different kinds of mammals that are our closest relatives in the animal world. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful...
14) Insects
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Some insects are as large as your hand, while others are so small that you can't see them without using a microscope or magnifying glass. Termites build enormous cities on the ground, while butterflies float high above your head. Discover what characteristics bring such a diverse group of animals together. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences....
15) Worms
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Robins eat earthworms as a tasty treat. You might use one as bait to tempt a fish. But other types of worms consider robins, fish, and humans to all be prime real estate for growing and having a family! Learn all about the many kinds of worms around us--or in us! Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images,...
18) Energy
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Describes different kinds of energy, the properties of stored and moving energy, sources of energy, and related topics such as pollution.
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