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Science

Why Is the Sky Blue?

◷ 5 min+25 XP

Why Do Bees Matter So Much?

◷ 5 min+25 XP

How the Water Cycle Works

◷ 6 min+30 XP

Why Do Volcanoes Erupt?

◷ 6 min+30 XP

The Four Forces of Flight

◷ 6 min+30 XP

Stability: Why Airplanes Do Not Just Flip Over

◷ 8 min+40 XP

Flight Challenge: Put the Forces Together

◷ 5 min+25 XP

Wings and Lift: How Airplanes Fly

◷ 6 min+30 XP