Table of Contents
How clouds are formed what is the change called?
The process of water changing from a gas to a liquid is called “condensation,” and when gas changes directly into a solid, it is called “deposition.” These two processes are how clouds form.
Is formation of clouds a reversible change?
Eruption of a volcano is a reversible change. Formation of clouds is an irreversible change. Conversion of a solid to liquid by heating is called fusion.
How do clouds form and change?
When air rises in the atmosphere it gets cooler and is under less pressure. When air cools, it’s not able to hold all of the water vapor it once was. Air also can’t hold as much water when air pressure drops. The vapor becomes small water droplets or ice crystals and a cloud is formed.
What change of state is formation of clouds?
Condensation
Condensation is the process by which water vapor in the air is changed into liquid water. Condensation is crucial to the water cycle because it is responsible for the formation of clouds.
Are clouds a physical change?
Formation of clouds is a physical change as it is phase transformation of water from liquid to gas during water cycle and then, gas to liquid. Hence, the physical property of water undergoes change in the formation of clouds.
What is a chemical change Class 6?
Changes in which new substances with different properties are formed are called chemical changes. Cooking of food, burning of substances are chemical changes as entirely new substances are formed.
What is a chemical change explain with example Class 6?
Rusting of iron is a chemical change. Freezing of water is a reversible physical change. A double decomposition reaction is a chemical change.
What causes clouds to form?
Clouds form when the invisible water vapor in the air condenses into visible water droplets or ice crystals. For this to happen, the parcel of air must be saturated, i.e. unable to hold all the water it contains in vapor form, so it starts to condense into a liquid or solid form.