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The Water Cycle
SC.D.1.2.3
The student knows that the water cycle is influenced by temperature, pressure, and the topography of the land.
The process by which the Sun heats up the liquid water and changes it into water vapor.
Evaporation
Condensation
The process in which a gas (water vapor) is changed to a liquid as the temperature
drops (air cools).
The process in which the temperature gets so warm that the clouds fill up, causing the
water to fall to Earth as rain, snow, sleet, or hail.
Precipitation
The moving of water across the land and back into bodies of water.
Runoff (Surface Water)
Condensation
Evaporation
Runoff
Water Cycle
Precipitation
Evaporation PrecipitationSortingCondensation
Factors Affecting the Water Cycle
Pressure
Topography
TemperatureThe measure of how hot or how cold something is.
The weight of all of the air above you.
The shape of the land from flat surfaces to
mountain tops.
Temperature Affects the Water Cycle
When the temperature increases,water evaporates faster.
Temperature speeds-up the water cycle.
Solar energy powers the water cycle.
Pressure Affects the Water Cycle
When the air pressure is lower, the water vapor rises faster.
Pressure speeds up the water cycle.
Pressure slows down the water cycle.
Topography is the shape of the land.
Topography Affects the Water Cycle
When the dry air loses its moisture, it moves down the mountain, losing moisture as it
continues downward. Therefore, the opposite side of the mountain gets very little rain.
When the moist air from the oceans move up the mountain range, the air cools, causing the water vapor to condense and eventually
fall back to the Earth as rain or snow.
Speeds up the Water Cycle
Slows down the Water Cycle