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Grade 4

1346 records found. Displaying 685 - 696.

Machines

BMW M4

BMWХs successful racing past shows in the popular M4. Even though it is meant for everyday use, it can hit speeds up to 190 miles (306 kilometers) per hour! Learn about the history of this… More →

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Social Studies

Movie Director

Do you have what it takes to call the shots? Directors are involved with all the decisions for a movie, from costumes and music to casting and editing. Learn about what fills their jam-packed More →

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Science and Math

Sedimentary Rocks

Sedimentary rocks are the only type of rocks that contain fossils! But thatХs not the only reason sedimentary rocks are important. Scientists study the rocks to learn about EarthХs history,… More →

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Geography

Scotland

Did you know ScotlandХs national animal is the unicorn? The country even has a National Unicorn Day on April 9. What other surprises does this nation hold? In this title, readers will… More →

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Reference

Global Pandemic

Viruses and bacteria are everywhere! They can mutate and move easily from one person to the next. Vaccines and other forms of prevention help fight these vicious pests, but pandemics have hit More →

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Science and Math

Igneous Rocks

For most of us, igneous rocks are no more than a stoneХs throw away. These underrated rocks make up more than half of EarthХs crust! Not only that, but they have many uses in building,… More →

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History

The Airplane

The Wright Brothers famously made the first flight in Kitty Hawk, North Carolina. But the history of human flight goes back much further! This title details the experimentation and innovation More →

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Science and Math

Jupiter

Jupiter is the biggest planet in the solar system! This gas giant is also one of the most fascinating. From its famous Great Red Spot to its dozens of moons, Jupiter holds several mysteries… More →

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History

The Automobile

The 20th century approaches, and life is about to change forever! Inventors across the world race to invent and innovate automobile designs. Which ones will end up on top? Anyone who has ever More →

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Science and Math

Mars

Journey to the red planet! Given its similarity to Earth, Mars has long fascinated humans. Today, we are closer than ever to unlocking the mysteries of how Mars formed and whether the planet… More →

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Science and Math

Neptune

Neptune is the outermost planet in the solar system! It may look a calm blue, but this huge planet is swirling with activity. A thick layer of clouds gives way to whirls of rocks and ice.… More →

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