RICARDO_EAGER_MIND

WHICH MATERIAL WILL MAKE THE BEST PARACHUTE?

.What you'll need: A plastic bag or light material

.Scissors

.String

.A small object to act as the weight, a little action figure would be perfect

Instructions: Cut out a large square from your plastic bag or material.

Trim the edges so it looks like an octagon (an eight sided shape).

Cut a small whole near the edge of each side.

Attach 8 pieces of string of the same length to each of the holes.

Tie the pieces of string to the object you are using as a weight.

Use a chair or find a high spot to drop your parachute and test how well it worked, remember that you want it to drop as slow as possible.

What's happening? Hopefully your parachute will descend slowly to the ground, giving your weight a comfortable landing. When you release the parachute the weight pulls down on the strings and opens up a large surface area of material that uses air resistance to slow it down. The larger the surface area the more air resistance and the slower the parachute will drop. Cutting a small hole in the middle of the parachute will allow air to slowly pass through it rather than spilling out over one side, this should help the parachute fall straighter.

A storm with high winds or violent gusts but little or no rain. Winds with speeds up to 241 km (149 mi) per hour have been recorded during windstorms. See also [|tornado] . Columbus, Ohio - Hurricane like winds left about 1 million households and businesses without electricity Monday as schools closed and rush-hour commuters faced obstacle courses of fallen trees and intersections without working traffic signals. Sunday's wind storm caused by remnants of Hurricane Ike killed at least three people who were hit by toppled trees, authorities said. It could take a week for power to be restored in some areas. Winds gusting up to 78 mph ripped roofs from buildings and blocked roadways across the state, with southwest and central Ohio bearing the brunt of the storm's force, according to the National Weather Service. "What we experienced was a hurricane-force wind gust," said meteorologist Myron Padgett at the National Weather Service in Wilmington. A falling tree killed two motorcyclists in Huston Woods State Park in southwest Ohio, and a woman died in the Cincinnati suburb of Mt. Healthy when a tree fell through the roof of her home. As of 8 a.m. Monday, 575,000 Duke Energy customers in southwest Ohio and northern Kentucky still had no power, out of 867,000 who had lost service since the storm began to hit the region late Sunday morning. It was the biggest outage in the company's history, said Duke Energy spokeswoman Kathy Meinke. American Electric Power said on its Web site Monday that about 539,000 of its Ohio customers, or 37 percent, were out, including 273,000 in Franklin County, which includes Columbus. "This is an unprecedented event for this time of year," AEP spokesman Jeff Rennie said. "We've never seen anything like this in early fall." Both Duke and AEP said it could take more than a week to restore power to some hard-hit areas. AEP is recalling crews that had been dispatched to southern states hit by the hurricane. About 310,000 Ohio Edison customers were in the dark in northeast Ohio, said spokeswoman Robin Patton.
 * < [[image:earthsciencea/wind_erosion.jpg caption="wind_erosion.jpg"]]

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