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Science Description:


Part 1 buoyancy I Archimedes discovery I about buoyancy I why things float or sink I density I


Discoveries of Archimedes,
Part 1 is about buoyancy
Part 2 is about lever




Refraction of light

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how to make simple and easy catapult I Working of catapult I popsicle, rubber band catapult I war toy
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Part 1 buoyancy I Archimedes discovery I about buoyancy I why things float or sink I density I
   • Part 1 buoyancy I Archimedes discover...  


Part 2 Lever I Archimedes discovery I Lever I simple Machine | Types of Lever | Lever Action in body
   • Part 2 Lever I Archimedes discovery I...