- United States Department of State
749 Products found
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Babies crying, school bells ringing, cars roaring by, the ding signaling that a new text message...Added April 23, 2014 - This item has been added.
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We all learned that the ratio of the circumference of a circle to its diameter is called pi and...Added April 23, 2014 - This item has been added.
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Offers activities and experiments using forces and motion.Added April 23, 2014 - This item has been added.
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George Hurrell (1904-1992) was the creator of the Hollywood glamour portrait, the maverick artist...Added April 23, 2014 - This item has been added.
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Math and physics often go hand-in-hand. Math and measurements have even played a big role in...Added April 23, 2014 - This item has been added.
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Readers will learn what makes a robot work, then design, build, and program their very own robot....Added April 23, 2014 - This item has been added.
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Help students hit a home run on their science fair project or science test. Readers will learn...Added April 23, 2014 - This item has been added.
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Do the properties of metal change when heated? Why do some objects float in water while others...Added April 23, 2014 - This item has been added.
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Unlock the secrets of circuits, batteries, and magnets. Readers will learn all about current,...Added April 23, 2014 - This item has been added.
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We have long lorded over the ocean. But only recently have we become aware of the myriad...Added April 23, 2014