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 Slime Without Borax:
5 Easy Recipes for Gooey Homemade Ooze
How To:
The Best Investigatory Projects in Science: 16 Fun & Easy Ideas to Kickstart Your Project
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Make potassium nitrate at home
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Make Glow Powder Out of Household Chemicals
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Make Your Own Homemade Glow Sticks
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Make Black Snake Fireworks With & Without Fire
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Make oxygen from permanganate and hydrogen peroxide
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How To:
Make fire water or "Negative X" (Zn, NH4NO3, NaCl)
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Make sodium acetate (hot ice) w/ vinegar & baking soda
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How To:
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Make Potassium Chlorate from Ordinary Household Bleach and Salt Substitute
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1 Comment
Now do greek fire!
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