How to Make a Tornado in a Glass or Bottle - Home Decor​ Life Hack



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How to Make a Tornado in a Bottle

Three Parts:

With water, dish soap, and a bit of spinning, you can make a tornado in a bottle! This can be a great way to learn how tornados work.For a basic experiment, try making a tornado in a single bottle. If you want to get more advanced, try putting two bottles together. Read on to learn how to get started!

Steps

Filling the Bottle(s)

  1. Fill a plastic bottle with water.Leave two inches of air at the top of the bottle. The size of the bottle doesn't matter – but the bigger the bottle, the bigger the tornado. The bigger the tornado, the easier it will be to observe the effects on the water.
    • If you are only making a one-bottle tornado, you can use a plastic water bottle or a clear glass canning jar.If you are making a larger two-bottle tornado, try using a pair of two-liter soda bottles.
    • Try experimenting with more or less water. Record whether the amount of water has any effect on the size and speed of the tornado.
  2. Add dish soap.Two squirts from a bottle of concentrated soap will do. You can also use oil, or anything hydrophilic (that repels water).
    • Don't try to use other cleaning products like bleach or non-liquid soap. Do not use laundry detergent: it is designed to interact differently with water than dish soap.
    • Try experimenting the amount of dish-washing soap, or the brand of dish-washing soap. See if a particular brand works better than another, or if more or less soap makes a difference.
  3. Add a pinch of glitter.This step is optional, but it may make it easier to see the tornado in action. Alternately, add food coloring for flair. If you're using a large bottle, try putting a few plastic Monopoly houses into the water to simulate the "houses" that are being picked up the tornado.
  4. Seal the bottle.If you are making a one-bottle tornado, you just need to twist the cap and seal it shut. If you are making a two-bottle tornado, you'll need to find a watertight way to fix the openings so that they face one another. Try using superglue, caulk, duct tape, or a large rubber band.

Making a One-Bottle Tornado

  1. Make sure that the bottle is sealed.The trick won't work well unless the container is completely airtight. Test the cap with your hand.
  2. Spin the bottle.Hold it by the top or the bottom, and use your wrist to shake the water in a loose circular vortex. After a few seconds of spinning, you should see the water begin to swirl in the center. This is your "tornado." Ask questions:
    • Why is it spinning?
    • Is the tornado spinning clockwise or counterclockwise?
    • How does the glitter interact with the tornado?
  3. Experiment.Try spinning the bottle slower or faster. Try spinning it upside down. Observe whether changing the spin pattern has any effect on how the tornado looks.
  4. Learn why the water is spinning.It is responding to "centripetal force" – an inward-facing force that pulls an object or liquid toward the center of its circular path.In this case, the water is spinning around the "center" of the vortex, which happens to be the center of the bottle because the bottle defines the size of the "body of water."

Making a Two-Bottle Tornado

  1. Make sure that the two bottles are attached at the mouth.The connection should be airtight and watertight. Set the bottles upright so that the bottom of the full bottle is sitting on the ground or table, and the bottom of the empty bottle is sticking straight up into the air. Be sure to leave an inch or two of air at the top of the "full" bottle.
  2. Flip the bottles upside-down.Think of it like the motion of flipping an hourglass. The bottom bottle should now be empty of water, and the top bottle should be full of water. Hold the bottles for support – the contraption will be top-heavy!
  3. Watch the water trickle down.The air pressure in the now-top bottle is lower than the air pressure in the now-bottom bottle, so there should not be much water flowing between the mouths of the bottles.
  4. Swirl the water-filled bottle in circles.If you gently spin the water-filled bottle on top, water should begin to pour again. This should create a vortex or "tornado" in the center of the water-filled bottle as the liquid flows from a space of low pressure to a space of high pressure.

Community Q&A

Search
  • Question
    How can I connect the two bottles without leakage?
    wikiHow Contributor
    Community Answer
    You can seal it with a glue gun. If not, you can always use duct tape.
    Thanks!
  • Question
    Can you use oil instead of dish soap?
    wikiHow Contributor
    Community Answer
    No. You cannot.
    Thanks!
  • Question
    What type of dishwasher soap do you use?
    wikiHow Contributor
    Community Answer
    You use dish soap, not dishwasher soap. But you can use any kind of dish soap.
    Thanks!
  • Question
    Why do I need glitter?
    wikiHow Contributor
    Community Answer
    The glitter is so you can see the tornado. Without the glitter, you would not see the tornado.
    Thanks!
  • Question
    Do I have to put glitter in the tornado?
    wikiHow Contributor
    Community Answer
    Its an optional ingredient but if you use it then you will see the tornado better.
    Thanks!
  • Question
    How do I do it without soap?
    wikiHow Contributor
    Community Answer
    You can use clear glue with water and glitter. Pour glue into the water bottle with water, and add some glitter.
    Thanks!
  • Question
    How do I make a hurricane out of carbon?
    wikiHow Contributor
    Community Answer
    You can’t. The carbon will dehydrate the water.
    Thanks!
  • Question
    Can I put things like plastic bands inside to make it look like a tornado?
    wikiHow Contributor
    Community Answer
    If you want some debris, then yes, just make sure whatever you use is very small and not sharp, because you don't want to poke holes in the bottle.
    Thanks!
Unanswered Questions
  • What causes the tornado?
  • Can I do it with different sized bottles?
  • Can I use any kind of dish soap when making a tornado in a bottle?
  • What type of dish soap should I use?
  • What type of dishwasher soap is the best to use when making a tornado in a bottle?
Ask a Question
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Video

  • If you are creating a two-bottle tornado, be sure to hold the bottle tops so that they don't break.
  • Try adding sprinkles. You could also use feathers or salt – anything that you think might get pulled up in the tornado!
  • Try adding different things to the mixture such as oil and food coloring. Experiment with different liquids.
  • For a more realistic visual affect, add a few small leaves to simulate the foliage often whipped around by tornadoes.

Warnings

  • Things could get messy. Try creating this over a sink.

Things You'll Need

  • One or two empty bottles: plastic or glass
  • Dishwashing soap.
  • Food coloring (optional)
  • Glitter, salt, or sprinkles (optional)
  • Monopoly houses, marbles, or pebbles (optional)

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Date: 03.12.2018, 23:46 / Views: 54252