(The size of the hole should be determined by the student, after they have written in their lab notebook their own hypothesis about what they think will work best to create a tornado effect in the bottle. I found that it works fine with no tape, although the demonstration is rather short.
www.haverford.edu/educ/knight-booklet/tornado.htm www.haverford.edu/educ/knight-booklet/tornado.htm
Fill the soda bottle to the top with water. If you do not have access to a sink nearby or you don't want to move the dinner party to the kitchen, use a large pitcher to fill the bottle. ... Tornado in a Bottle - Tornado Tube You'll amaze your dinner guests with this cool trick. email to friend; print this page...
www.stevespanglerscience.com/experiment/00000056
Tornadoes don’t travel as far or get as big as hurricanes, but their powerful, twisting winds are the fastest and most dangerous on Earth. At the centre of the tornado is a spinning column of air called a vortex. ... 5. Screw the double cap onto one of the pop bottles. 6. Fill the other pop bottle about 3/4 full of water.
www.yesmag.ca/projects/tornado_tube.html www.yesmag.ca/projects/tornado_tube.html
Screw the double lid onto one of the empty bottles. Next, fill the other bottle 3/4 full of water. Add the food coloring and plastic confetti if you so desire. ... Screw the empty bottle on top of the bottle containing the water. Hold the duct-taped area with one hand, and the bottom bottle with the other hand.
www.chevroncars.com/learn/fun-games/soda-bottle-tornado www.chevroncars.com/learn/fun-games/soda-bottle-tornado
A tornado requires rapidly moving air. We can make one in a bottle using water instead of air. How do you think the air (water) needs to move to make a tornado? ... 1. Fill the bottle half way with water.
www.galaxy.net/~k12/weather/tornado.shtml www.galaxy.net/~k12/weather/tornado.shtml
Making a homemade tornado ... A tornado is a powerful, twisting windstorm (now that really does sound like Dad, doesn't it). The winds of a tornado are the most violent winds that occur on the earth. ... A tornado is a rotating funnel cloud that extends downward from a mass of dark clouds. Some funnels do not reach the...
www.spartechsoftware.com/reeko/Experiments/ExpTornado.h... www.spartechsoftware.com/reeko/Experiments/ExpTornado.htm
The simplest, and one that doesn't require much at all in the way of equipment or preparation, involves a small juice glass, a bottle of water and a piece of thin card stock (something like an index card will work, ... Also, you might find the "tornado in a bottle" more fun if you place a few "Monopoly" houses inside!
www.wral.com/weather/blogpost/3899000/
Making a Soda Bottle Tornado Tube ... 5. Screw the double cap onto one of the soda bottles. 6. Fill the other soda bottle about 3/4 full of water. Add food colouring or plastic confetti to the water if you want. 7. Screw the empty bottle onto the top of the bottle containing the water.
www.familyfunprojects.com/tornado.html www.familyfunprojects.com/tornado.html
7. Take the other soda bottle and place its mouth over the rolled-up card, pushing the bottle down so ... 9. Grab the bottles by their bases and turn the “cyclone” upside down. 10. As the water begins to pour from one bottle to the other, gently swing the bottles in a counterclockwise motion until the tornado forms.
www.easyfunschool.com/article1205.html
These amazing connectors screw onto two plastic soda bottles (you can buy new ones from E.I., Item number BOT-600 and allow students and teachers to create a water vortex. Or, connect two small soda bottles and make a sand timer. ... Home Air Pressure Vortices & Fog Vortex Bottle Connectors - Tornado in a Bottle...
www.teachersource.com/AirPressure/VorticesAndFog/Vortex... www.teachersource.com/AirPressure/VorticesAndFog/VortexBottleConnectors.aspx