An arch is a structure commonly used in bridges and buildings. This video presents examples of the arch as a structural unit and introduces the concepts of compression and tension. Provides support for the structures and mechanism unit of grade 6 to 8 science programs.
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Make potassium nitrate at home
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Make sulfuric acid (metabisulfite / oxidizer method)
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Make hydrochloric acid from salt
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Make Your Own Homemade Glow Sticks
How To:
Make elemental sulfur (sulphur)
How To:
Make simple and fun "hot ice" at home with vinegar
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Make boric acid from borax
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Make oxygen from permanganate and hydrogen peroxide
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