to change from gas to liquid
The steam condensed to droplets on the bathroom mirror.
evaporation
the process of something changing from a liquid into a gaseous state evaporation is the process in which water is transformed from its liquid state to vapor state.
function
the purpose for which a thing is used
In other words, they are homes that function both on land and water, not just in a fi xed place.
hydrogen
a chemical element that is the lightest of all elements, has no smell or color
Balloons filled with hydrogen can easily float away if you aren’t careful.
molecule
the simplest unit of a chemical substance, usually a group of two or more ATOMS
Two hydrogen atoms and one oxygen atom make up one water molecule.
percentage
a proportion of a whole thing
This is the interest rate and it’s a percentage of the total amount borrowed.
precipitation
water that falls from the sky onto the ground, usually in the form of rain or snow
Hail and sleet are types of precipitation.
transpire
to occur
The events in the story transpired very slowly over time.
vapor
a gaseous substance emitted from hot liquid
Salt cannot leave the sea by evaporation because the water vapor leaves it behind.
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