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Grade 4 - 6

3297 records found. Displaying 1241 - 1250.

How Did They Build That? Water Park

Tall, twisting slides, gigantic wave pools, and powerful waterfalls are all common sights at a water park. Readers will find out what it takes to plan and build these fun places. More →

How Does It Fly? Blimp

Blimps were once a popular form of transportation. Find out how they work and why they are not so common anymore. More →

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