Kids News - Articles for Grades 4-4

Scientists Use GPS To Solve The Mystery of Death Valley's 'Rolling Stones'

Death Valley National Park in California's Mojave Desert is known for many things - Its extreme temperatures, varied altitude that ranges from 282ft. below sea level to 11,000ft. above, beautiful rugged terrain and most of all, 'rolling' or 'dancing' stones. The phenomenon whereby large boulders, some weighing as much as 500 lbs, move several hundred yards in a straight line or zigzag patterns, has confounded experts for years....

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Scientists Use GPS To Solve The Mystery of Death Valley's 'Rolling Stones'

Massive Dreadnoughtus And Alien-Like Spinosaurus The Latest Dinosaurs To Create Waves

Though dinosaur finds are revealed on a fairly regular basis, very few result in as much excitement as the latest two. On Thursday, September 4th, a team of scientists led by Kenneth Lacovara, an associate professor at Philadelphia's Drexel University unveiled the Dreadnoughtus schrani, which they believe is the biggest known land animal to have ever inhabited Earth. While dinosaur fans were still digesting the facts, on September 11th, came news of the re-discovery of the Spinosaurus aegyptiacus, the only known semi-aquatic dinosaur....

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Massive Dreadnoughtus And Alien-Like Spinosaurus The Latest Dinosaurs To Create Waves

9/11/2001 - The Day Americans Came Together

September 11th, (2001), or 9/11 as it is commonly called, is remembered as one of the most tragic days in modern American history. That was the day when the lives of 2, 977 innocent Americans were brutally cut short by a series of well-orchestrated terrorist attacks on US soil. Within less than two hours, life as we knew it, changed forever - not just for the people that lost a family member or friend, but for every single person across the globe. However, it is also the day when Americans came together as one nation, regardless of caste, creed or color, to stand up against unspeakable evil....

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9/11/2001 - The Day Americans Came Together

Bite-Size Kilobots Demonstrate The Power Of Teamwork

Insects like ants and termites are amongst the world's best collaborators. Unlike most humans they have figured out that by working together, they can accomplish much more than they can individually. That is what some researchers are hoping to attain with Kilobots - bite size robots capable of ant-like teamwork and intelligence....

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Bite-Size Kilobots Demonstrate The Power Of Teamwork

Hawaii's Kilauea Volcano Lava Inches Toward Homes

Mention Hawaii and the first thing that comes to mind are the pristine beaches. What is not as well known is that Hawaii's Big Island is also home to some of the world's most active volcanoes, including the spectacular Kilauea! While the dynamic volcano has been erupting almost nonstop since 1983, some years, the amount of magma coughed up is larger than others....

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Hawaii's Kilauea Volcano Lava Inches Toward Homes