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Clouds

A cloud is a visible body of very fine water droplets or ice particles suspended in the atmosphere at altitudes up to several miles above sea level. They are generally produced by the condensation of water vapor. Other clouds, less commonly seen, are composed of smokes or dusts.

10,186 Questions

What is a gas turbine cooled by?

It depends on the type of engine, but its generally one of a few things. A turbofan like on a commercial plane have the bypass, or large amounts of air flowing close to the out side of the engine. A higher temperature engine may have a heat exchanger on the turbine blades that actuall takes cooler air and passes it over the vanes so they don't melt. Almost every turbine engine has some sort of oil cooler to help keep the moving parts from getting too hot. With many turbines the idea is to more or less protect the engine from heat than to cool it down. More heat with a turbine means more power.

What is the cloud that produces precipitation called?

The sun doesn't heat the atmosphere; it heats the land and the sea. Above it, a thin layer of air is warmed up by contact. That air rises. Two-thirds of the earth is covered by water. Right above it, the air is saturated with water molecules in form of vapour.

When that moist air is warm, it rises because warm air is less dense than cold one. As it rises, it cools down by the so-called adiabatic effect of a lesser pressure aloft.

Cold air can contain less vapour than warm one. At a stage, the moisture must condense as clouds. As the air keeps rising because now, the so-called wet adiabatic lapse rate is lesser than the dry one, the moisture continues to condense as larger and larger drops.

Those keep rising but, at one moment, gravitation if greater than the speed of rising and the droplets come down, forming precipitation; rain or snow.

If the air aloft is very cold, the convection (rising air) is so strong that the drops of rain keep rising all the way to a point where they freeze. Finally, they come down but now it is as hail. That happens often in a very strong convection such as a thunderstorm.

In which process does water form clouds?

Water forms clouds through the process of condensation, where water vapor in the air cools and changes back into liquid form as tiny water droplets or ice crystals. These droplets then come together in the atmosphere to form visible clouds.

What is biological contamination arising from weather conditions?

It is things like acid rain , when we let fumes and gas go into the air it enters the environment and lets it polute our earth .

What do you call water vapor that has condense into small water droplets near the ground?

A collection of water droplets suspended in the air is called a cloud. If the collection of water droplets is close to the ground it is called fog.

What is the vaporization of a liquid?

Vaporization is the process by which a liquid turns into a gas. This occurs when the temperature of the liquid reaches its boiling point, causing the molecules to gain enough energy to overcome the intermolecular forces holding them together in the liquid state.

What are 3 examples of liquid matter?

well I'm studing that and here is your answer

Since it is fluid, it takes the form of the object in which it is contained. Many fluids exist; even glass, though it appears solid, is a fluid

What happens to air when there is an area of lower pressure nearby?

The thing that is low pressure is air.

When a meteorologist says that there is an area of "Low Pressure" he is saying that there is a low air pressure in an area or, more exactly, that there is less air per cubic unit than there is in surrounding areas.

So, if neutrally pressured air met with low pressured air the neutrally pressured or comparatively condensed air, a.k.a "high pressure" air would fall downward until it reached a state of equilibrium. And attaining equilibrium by both mixing with the surrounding air and falling to an altitude of similar air pressure.

Why is it so windy outside?

It may seem that winds are stronger at night, but scientifically, days tend to be windier. Nights do seem windy to us because as the world (traffic, people, television, etc) quiets down around us, we begin to hear the wind more. So why are the days windier, then? One thing that causes wind is a pressure gradient, which exists when pressure changes more in one place than in another. This happens mostly in the daytime, when the sun is out and warming different areas differently. After the sun sets, there is less of a chance of such a temperature change. ==In more detail...== In more detailed terms: as a generalization, winds tend to be weakest near dawn and strongest in late afternoon because the colder the ground is, the more of a local inversion you’re likely to have isolating surface winds from the faster winds above (conversely in the late afternoon surface heating allows for more mixing with the faster moving winds above). Winds are not caused by pressure change but by pressure gradient — that is, differences in pressure across space. So heating or cooling can cause winds, but only by changing pressure in one place more than in another, so that a gradient is formed (or strengthened). ==Other causes for wind== There are other wind-causing factors too, however, and these can hit at any time — day or night. For example, winds associated with cyclonic and related frontal circulation are independent of diurnal (daytime/nighttime) factors — you’ll feel those the strongest whenever the associated circulation feature reaches you.

Is foam a solid in gas solution?

There is more than one kind of foam. Styrofoam is a solid mixed with gas. Soap suds are made of a liquid mixed with gas. I would call foam, in technical terms, a composite material. It's made of more than one thing.

How does the polar front influence the development of the polar-front jet stream?

The northernmost (and/or southernmost) of the various jet streams that circle the Earth.

What are the different sizes of water droplets?

Water droplets can vary in size, with typical rain droplets ranging from 0.5 mm to 4 mm in diameter. Smaller droplets are called drizzle and can be less than 0.5 mm, while larger droplets can occur in heavy rainfall events.

How does vapor form?

Vapors are formed by he process of evaporation. Water in the water bodies evaporate to form vapors.

Will a balloon keep air longer in a warm or cold?

A balloon will keep air longer in a cool environment because cold air molecules move slower, leading to less pressure inside the balloon and less air escaping. In a warm environment, the air molecules move faster, causing higher pressure and more air to escape from the balloon over time.

How does cloud cover affect the earth's surface?

Clouds are able to keep areas of the planet warmer at night by trapping outgoing longwave radiation (infrared radiation). During the daytime, shortwave radiation (UV, Visible Light) is absorbed by the planet's surface. At night, the radiation is released as longwave radiation and normally escapes back into outer space, which is why the temperature drops over night.
However, if clouds are covering an area, that outgoing longwave radiation will be "trapped", and the temperature at the surface will not decrease as much.
Research the planet Venus to find out how this phenomenon can drastically alter the climate of a planet.





Well, clouds themselves don't "keep Earth warm", but it is all the atmosphere that helps keep Earth warm.

To answer your question, the atmosphere helps keep Earth warm by producing a "greenhouse effect". This Greenhouse effect helps trap in infrared radiation (heat), which makes Earth stay warm, even at night.

To make something you can picture, the clouds and the atmosphere are like a blanket over Earth, and that "blanket" keeps Earth warm.

What kind are thin feathery clouds?

Thin feathery clouds are known as cirrus clouds. These types of clouds are composed of ice crystals and are found at high altitudes in the atmosphere. Cirrus clouds are often wispy in appearance and are associated with fair weather.

What happened to the water vapor in the atmosphere when the early Earth cooled?

As the early Earth cooled, the water vapor in the atmosphere condensed and fell as rain, leading to the formation of the Earth's oceans. This process is known as the "primordial rainout" and it played a crucial role in shaping the planet's surface and creating the conditions for life to emerge.

What is the hydrocylogic cycle process?

the vapor cools, condenses, and falls to the earth as rain or snow. The water soak into the ground, avaporates to the atmosphere or flows into rivers to be recycled.

What storms bring sleet?

umm cold air below frezzing is need to make

Why does a balloon get smaller in cold weather?

The simple answer is because the pressure remains the same. When pressure remains constant, the change in volume will be directly proportional to the change in temperature.

The air molecules release energy as they travel around inside the balloon. What we call pressure is technically the force of the air molecules colliding with the inside of the balloon and each other. The kinetic energy is related to the speed of the molecules. The faster the molecules are moving, the greater the kinetic energy. The greater the kinetic energy, the greater the pressure in the inside of the balloon. The outside air is doing the same thing to outside of the balloon. Therefore, the pressure pushing out is equal to the pressure pushing in. Temperature decreases because the molecules inside the balloon are releasing their energy in the form of heat as they interact with each other. In fact, they heat energy passes through the balloon and is absorbed by the air on the outside. Over time, more energy is released, and the temperature drops. The volume of the balloon decreases in order to maintain a constant pressure. As the surface area decreases, the total pressure pushing in also decreases so that it always equals the pressure pushing out.

What type of clouds were in the sky today in Chicago?

Yes. There are clouds outside today. It is an overcast day with occasional rain. Some thunderstorms are expected to arrive later tonight.

Can you make a homemade barometer that works?

It will be difficult as the hose is opaque making reading it visually impossible.

You will need roughly 30 feet of hose suspended vertically above the bucket with the top end sealed shut and filled with water.

What is the density of cold air?

1500 G/Ml I don't know the density of hot though. I know this cause i am on my science project

Does nitrogen change from a liquid to a gas at the same temperature at which water changes from liquids to a gas?

No it can not, their boiling points are vastly different.

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Well, yes but the change will be explosive.

If you poured liquid nitrogen into boiling water, all the liquid nitrogen would become gas and spray the remaining liquid boiling water in all directions.

If you poured boiling water into liquid nitrogen, all the liquid nitrogen would become gas and spray the remaining liquid boiling water in all directions.

Please don't try this, you will be severely injured!!!!!!