Table of Contents
What term best describes water vapor in the air?
The amount of water vapor in the air is called absolute humidity. The amount of water vapor in the air as compared with the amount of water that the air could hold is called relative humidity. This amount of space in air that can hold water changes depending on the temperature and pressure.
What are water Vapours answer?
– Water vapor is water in its gaseous state-instead of liquid or solid.It is totally invisible. – When the air gets saturated with the water vapour, at a specific temperature it will form frost as it starts to condense.
What is true about water vapor?
Water vapor is the most important greenhouse gas. It controls the Earth’s temperature.” It’s true that water vapor is the largest contributor to the Earth’s greenhouse effect. Because these gases are not condensable at atmospheric temperatures and pressures, the atmosphere can pack in much more of these gases .
What best describes what happens when air cools?
Because each molecule uses more space for motion, the air expands and becomes less dense (lighter). The opposite effect happens when air cools. As the temperature drops, molecules move more slowly, taking up less room. The amount of space the air takes up shrinks, or reduces the air pressure.
Is water a vapor gas?
Water vapour is water in gaseous instead of liquid form. It can be formed either through a process of evaporation or sublimation. Unlike clouds, fog, or mist which are simply suspended particles of liquid water in the air, water vapour itself cannot be seen because it is in gaseous form.
What is water vapor simple definition?
: water in a vaporous form especially when below boiling temperature and diffused (as in the atmosphere)
What are the similarities and differences between water vapor and water droplets?
Answer 5: Water vapor is water as a gas, where individual water molecules are in the air, separate from each other. Steam is what you see above a boiling kettle. Steam is hot water in droplets almost big enough to see – but you can see the cloud of droplets.
Which best describes the process of condensation?
Condensation is the process of water vapor turning back into liquid water, with the best example being those big, fluffy clouds floating over your head. And when the water droplets in clouds combine, they become heavy enough to form raindrops to rain down onto your head.
Which happens to water vapor when the sun’s heat is taken away?
Solar radiation from the sun heats the ocean and causes evaporation. If heat is added to water, it evaporates. Evaporation turns liquid water into a gas called water vapor. If heat is taken away from water vapor, it condenses.
What are facts about water vapor?
Water vapor is transparent , like most constituents of the atmosphere. Under typical atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation. It is less dense than most of the other constituents of air and triggers convection currents that can lead to clouds.
What are characteristics of water vapor?
Water vapor. Water vapor, water vapour or aqueous vapor is the gaseous phase of water. It is one state of water within the hydrosphere. Water vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice. Unlike other forms of water, water vapor is invisible.
What happens after water vapor condenses?
After Water Condenses. Some of the water vapor in the atmosphere that condenses is stored in clouds. Clouds are more likely to form when the air is humid and contains more water vapor. The energy released when gaseous water vapor condenses to form liquid water droplets is called latent heat.
What is an example of water vapor?
An example of water vapor is the floating mist above a pot of boiling water.