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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

Why do gases change into liquids when they lose enough heat?

With the temperature the kinetic energy of the gas molecules goes down till such a low value that the gas molecules can get bound to each other and form liquid drips. The stronger the attracting forces between the molecules the easier the liquid forms, meaning at a higher temerature.

Why does cold air push warm air?

Because cold air is more dense, and also contains less water vapour.

Skin depth of pure water?

The skin depth of pure water is approximately 0.2 mm at typical radio frequencies. This means that electromagnetic fields at these frequencies are significantly attenuated within the top few millimeters of water. As the frequency increases, the skin depth decreases, resulting in increased absorption of electromagnetic energy by the water.

What has to be taken away to change water into ice?

The freezing point of water is 0 C (32 F).

The difference between a liquid and a solid is the space between the atoms.

To become more dense (a solid) the orbit of the electrons has to become less. This requires losing energy. As energy cannot be made or destroyed, it has to be transferred. This removal of energy is the removal of heat.

If a substance undergoes a phase change what happens?

When a substance undergoes a phase change the molecules either order themselves or disperse themselves randomly. In a solid the molecules are unable to freely move in space. In liquid form they are able to move around in the space they occupy and in gas form they can move freely in any open area. In gas state the molecules will have more kinetic energy than liquid or solid, and liquid more than solid.

What happens when you cool water?

Many liquids freeze (turn solid).Some liquids have great changes in their viscosity as they cool, some do not.Liquid Helium is an exception, there is no solid phase of Helium at standard pressure.

What do you call a person who studies religion?

Priests study at a theological college A THEOLOGIAN Priests/ministers study at a seminary. Members of all faiths can study theology and religion at a Divinity School, which is not exclusively Christian.

What color is Mars?

red

The Martian soil appears red in every part of Mars, and we can see Mars as a red point of light when we look up in the night sky. Mars has red soil because the soil contains iron oxide, and the iron has rusted. This may signify that there might once have been water on Mars, because iron minerals need water to rust.

What is the process called from the water cycle that requires heat and energy?

The addition of energy can cause water to either increase in temperature or change phase (state). If enough energy is added, vaporization will occur and liquid water will change to water vapor.

What causes matter to change from liquid to gas?

Vaporization.

Exaporaization and boiling are examples of vaporization.

About how long does a cumulus cloud last?

it depends on what caused it to form. It can take a few minutes to a few hours.

What happens to a moving air mass as it enters a mountainous region?

If the clouds are lower then the tops of the mountains they are caught and rain themselves out, which is why there are usually arid plains or deserts on/beside a mountain range. It is called a rain shadow.

Is it possible to modify the weather?

It’s hard to say. While we can’t change daily temperatures, there’s some evidence that we can modify precipitation with a method called cloud seeding. The United States uses cloud seeding to alleviate droughts, induce snowfall near ski resorts, and even reduce hailstone size and fog.

A crash course on cloud seeding: Usually by plane, but occasionally by other means like chimneys or even cannons, certain chemical compounds are introduced into clouds. The hope is that these compounds—the most popular being silver iodide—turn water droplets into ice crystals, making them heavy enough to fall from the clouds. In the cold, they’ll be snowflakes; in warmer temperatures, they’ll melt into raindrops.

Further, we seed fog with dry ice to increase visibility at airports; we seed potential hail-producing clouds to create more individual ice nuclei, lessening hailstones’ potential for growth.

All this said, there’s some disagreement about whether cloud seeding even works. Some studies say it doesn’t affect precipitation; others, using ground-based radars to examine particles within clouds, say they do.

What is water in gas form called?

Steam, which can't be seen, not to be confused with the white clouds that come from a boiling kettle that is water vapour or condensed steam. If you look closely at the spout of a boiling kettle you will see that close to the spout it is clear that is steam or water in its gas form.

What is best described as visible aggregates of minute water droplets or tiny crystals of ice suspended in the air?

They are called as clouds. Clouds are formed when water from the oceans, rivers,lakes and other water bodies evaporate and rise into the sky. At high altitudes, these gases become dense and come together to form clouds. The ice and water particles are formed due to condensation.

How are a land breeze and sea breeze similar?

Mountain and valley breezes are other examples of local winds caused by an area's geography. Campers in mountains areas may feel warm afternoon quickly change into cold night soon after the sun sets. During the day, the sun warms the air along the mountain slopes. This warm air rises up the mountain slopes, creating a valley breeze. At nightfall, the air along the mountain slopes cools. This is cool air moves down the slopes into the valley, producing a mountain breeze.

What is happening when water vapor turns into liquid?

The air needs to be cooled, the amount depending on how much water vapour is in it. When it's cooled sufficiently the water vapour will condense on solid things as water, or become very small droplets (fog/cloud). When this happens in the early mornings we call it dew, and the temperature at which the water will condense is known as the dewpoint.

Why do clouds form around 3 PM and 6 AM?

That's just coincidence. Clouds travel at any part of the day.

What cloud does hail fall from?

Hail forms in thunderstorms (cumulonimbus clouds) when large updrafts carry water droplets high into the atmosphere where the air is much colder. The water freezes into ice and falls, only to be carried back up again by another updraft, where another layer of ice accumulates on the outside. After numerous trips, gaining more and more layers, the hailstone is too heavy to be lifted aloft by the updrafts, and falls to the ground.

What is the heat energy released when water vapor change to a liquid called?

The heat energy released when water vapor changes to a liquid is called heat of condensation. This process occurs when water vapor loses energy and transforms into liquid water, releasing latent heat in the process.

What is a huge space cloud called?

It is known by several terms: Cumulonimbus, Thunderhead, Anvil cloud.

What types of clouds form in the lower atmosphere?

Types of clouds that form in the lower atmosphere include cumulus clouds, stratus clouds, and stratocumulus clouds. These clouds typically indicate stable weather conditions and are found at lower altitudes.