This video explains the science behind a trebuchet. The trebuchet is a medieval machine designed to throw objects at or into castles. This video explains that the gravitational potential energy stored in the raised counterweight is converted into kinetic energy in the projectile. Trebuchets make excellent science fair projects.
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Make potassium nitrate at home
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DIY Toys Made From Trash + 100's More Easy Tricks & Experiments
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Make potassium nitrate from instant cold packs
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Make (non-Newtonian) Oobleck from corn starch & water
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Make an erupting volcano with baking soda and vinegar
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Make iodine
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Dissolve the shell from a hard-boiled egg with Coca-Cola
1 Comment
Now do greek fire!
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