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Due to the unusually strong cohesive forces between water molecules, water has an unusually high surface tension. Water striders take advantage of this surface tension by "walking" over the water and able to not break through the surface of the water. As a classic example of form fits function, the light body weight and thin legs of the water strider further aid it in doing this.
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Why does a helicopter lose altitude when flying over a water surface?
A helicopter needs a solid surface to fly over.
Why does a drop of oil placed on the surface of water spread over the entire surface?
because the water has more density than the oil so the oil spreads only on the surface.
When solid surface slide over each other the kind of friction that occurs is called?
true! When solid surfaces slide over each other, the kind of friction that occurs is called sliding friction.
Why a razor blade and paper clip float in the water?
it is due to the surface tension of water. due to the inter molecular forces present in between the molecules of water, the surface of water behave as a stretched membrane. blade and paper clip do not exert enough force to pierce the surface of water. so they flot over the surface of water.
Is there more of an iceberg under or over the water?
In water, most of any piece of floating ice is under the surface,and only a small amount of it is above the surface.
How can a mosquito walk on water?
There are several insects that can walk on water due to the water's surface tension. There are over 300 species of water striders that are able to walk on water, as well as several species of ant.
When observing a slide should the specimen be on the top or bottom surface of the microscope?
A specimen should be on the top surface of the slide and place a cover-slip over it.
How much of the earth surface us covered by water?
Over 70% of the Earth's surface is covered with water
When solid surface slide over each other the kind of friction that occurs is called blank friction?
sliding
Why does a helicopter lose altitude when flying over a water surface?
A helicopter needs a solid surface to fly over.
Does earth have availability of water?
Yes, it its surface is over 70% water.
What is the property of water that prevents water from spelling over in a glass?
Surface tension.
Is 2 thirds of the earth surface water?
no the earth has 3 fourth water ,3 fourth of it surface it covered with water
What is a small flat surface used mostly on laptop computers over which users slide their finger to move the cursor?
a track pad
What is the term given for water running over the ground?
It's called surface water.
What is water that flows over earth's surface?
Water that flows over Earth's surface is called runoff. Runoff is an important agent of erosion, especially if the water is moving fast. The more speed water has, the more material it can carry with it.
A geographical area over which surface water flows and collects into rivers lakes ponds and other surface water features is called?
Deltas.
