Snow begins high in the clouds when tiny water droplets freeze around dust particles. As more water vapor freezes onto these particles, they grow into crystals. The temperature and humidity shape each crystal into a unique snowflake. Most snowflakes have six sides because of the ...عرض المزيد
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The Magic of Snow and Snowflakes
Snow begins high in the clouds when tiny water droplets freeze around dust particles. As more water vapor freezes onto these particles, they grow into crystals. The temperature and humidity shape each crystal into a unique snowflake. Most snowflakes have six sides because of the ...عرض المزيد
The Adventures of Davy Crockett
Davy Crockett was a famous frontiersman, hunter, and storyteller who became an American legend. Born in Tennessee in 1786, he grew up exploring the wilderness and learning to survive off the land. Crockett later served in Congress, where he spoke out for ordinary people. His adve ...عرض المزيد
Colorful History of Crayons
Crayons have helped kids make colorful drawings for more than 100 years. Early crayons were made from simple wax and pigments, but they broke easily and weren’t very safe. In 1903, the Crayola company created the first safe, long-lasting crayons for children, starting with only e ...عرض المزيد
Sleeping Through the Winter: Hibernation
When winter arrives, many animals enter a deep sleep called hibernation to survive the cold. During hibernation, their heartbeat and breathing slow down, and they use very little energy. Bears, bats, and groundhogs are famous hibernators, but even some frogs and snakes do it too! ...عرض المزيد
The Story of Pizza
Pizza is one of the world’s favorite foods, but it has a long history. Long ago, ancient Greeks and Romans ate flatbreads topped with oil and herbs. The modern pizza began in Naples, Italy, where people added tomatoes—once thought to be poisonous! By the 1800s, pizza was a popula ...عرض المزيد