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Surface tension of water draws it into a larger drop. It will do that on any nonporous surface- metal, glass, smooth plastic, etc.
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Why is a tornado's funnel wide at the top and narrow at the bottom?
The funnel of a tornado consists of water droplets which condese as a result of a temperature drop inside the tornado that results from the low pressure. Temperature decreases with increasing heght, alowing more water vapor to condense.
How is cloud seeding done?
first, people fly a plane over the clouds, they spray salt over them, the water droplets in the cloud mix with the salt, and combine to make a large rain drop, and, last but not least, it rains.
How do rainbows get their colour?
PRISM: A prism separates white light into a group of seven colors called a spectrum. These seven colors are always in the same order. The colors of the spectrum are red, orange, yellow, green, blue, indigo, and violet. You can make up a name by using the first letter of each color to form a person's name. ROY G BIV Light can be reflected and bent. When light passes into the prism glass it slows down and it bends. The color red is not as bent the same way as the color violet is bent. When the colors come out of the prism, each color is bent in a different way and in a different quantity. People hang prisms from fancy lights in their homes or from windows that the sun shines through in their homes in order to fill their rooms with rainbows. RAIN: After it rains, there are lots and lots of water droplets in the air, around us. When the sun comes out, white light will strike all the drops of water. Each and every water drop of the millions and millions of water droplets acts just like a prism in that it separates the single strand of white light into seven colors. Sunlight enters each and every drop of water and the colors are given out as if the drop of water was a prism. This bending and reflecting happens at the same time in all the droplets of water and that is what forms the colors of the rainbow that you see after it rains.
How much was the first microscope?
The cost of a drop of water.
What causes the drop of a wall cloud?
A wall cloud marks an area of low pressure within a mesocyclone. The pressure drop causes a temperature drop, which in turn causes water vapr to condense.
How many water droplets does it take to form a drop of rain?
5 droplets form a raindrop.
Is it true that When a drop of water breaks into two droplets of equal size the sum of the surface areas of the two droplets is equal to that of the original drop?
No.
Why does water stay on a penny?
Surface tension allows water to form a large drop on a penny before popping and spilling off.
What are Droplets that become so large and heavy that they can no longer stay up in the air fall to earth's surface?
they are droplets of water ( the water that drops from clouds are 0.02 mm an average rain drop is 2 mm ) or they are droplets of ice (like hail)
What makes a water drop round instead of flat?
A water drop is a perfect sphere. A sphere is the geometrical shape that has the smallest surface area for its volume. The drop takes this shape because water molecules tend to stick to each other.
How do you FIND the voulme of a penny?
You can run a water displacement test. Where you fill a graduated cylinder with a certain amount of water. Then, drop the penny in and see the difference. And that would be your volume.
Do clouds always lead to rain Explain?
Clouds are formed by water vapour evaporated off the oceans by the sun and wind. Not all clouds produce rain, as the droplets in some clouds may not be heavy enough to drop to earth.
What is dew?
A dew drop is a tiny drop of water that appears on objects in the morning or evening due to condensation. As the surface cools, atmospheric moisture condenses at a rate greater than that of which it can evaporate.
Why does your breath turn white when its cold?
The water vapor in your exhaled breath condenses- it goes from very warm to very cold. The drop in temperature makes the VERY moist exhaled breath condense into water droplets. Those water droplets are visible, just as a cloud is visible.
What is needed to cause a cloud to rain?
cloud contain large amount of water vapour .The water vapour came to contact with dust particles (size 0.5mm) to form water droplet make it as its nuclie,this processes is called coalescence process . small water droplet combine to form bigger droplets . These droplets fall as rain drop.
Why does rain come in droplets?
Rain comes in droplets because of a process called condensation. When warm air rises and meets cooler temperatures in the atmosphere, the water vapor in the air condenses into tiny water droplets. These droplets then gather together to form clouds, and when they become too heavy, they fall to the ground as rain. The size of the droplets can vary depending on factors such as temperature and humidity.
What will drop faster the penny or the feather?
The penny because it has more pressure.
