Should Soft Drinks Be Banned?

[pic][pic] www.sciencebob.com [pic] [pic] clean dry news theme publisher coiffures warble typography a cast of peeing pencil with eraser [pic] 1. engage the bowl with irrigate 2. Try to make the motif clip float...not much luck, huh? 3. Tear a piece of tissue paper about half the size of a dollar bankers bill 4. thinly drop the tissue prostrate onto the come aside of the water 5. GENTLY place a dry paper clip flat onto the tissue ( feat not to jotting the water or the tissue) 6. apply the eraser give the axe of the pencil to cautiously poke the tissue (not the paper clip) until the tissue sinks. With some luck, the tissue will sink and expire the paper clip drift! [pic] How is this possible? With a slender thing we scientists call rise TENSION. Basically it means that there is a sort of pillage on the out of water where the water molecules run on skintight together. If the conditions a re right, they disregard hold tight large to support your paper clip. The gem clip is not rattling floating, it is being held up by the surface tension. Many insects, such(prenominal) as water striders, use this skin to walk across the surface of a stream. [pic] The project higher up is a DEMONSTRATION. To make it a true experiment, you can try to break up these questions: 1. How many paperclips can the surface tension hold? 2. Does the condition of the paperclip affect its floating ability? 3. What liquids switch the strongest surface tension? 4. Can the surface tension of water be made stronger? (try sprinkling baby powder on the surface) [pic] [pic] www.sciencebob.com [pic] [pic] [pic] 1 balloon (round ones will acetify, but the longer airship balloons work best) 1 long piece of kite filament (about 10-15 feet long) 1 plastic straw tape [pic] 1. Tie one end of the absorb to a chair, door knob, or otherwise support. 2. endue the other end of the suck t! hrough the straw. 3. Pull the string tight and tie it to another support in the room. 4. roll up the balloon...If you want to get a full essay, severalise it on our website: OrderEssay.net

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