water cycle. Flashcards
what is the definition of water cycle?
continous movement of water on, abouve and below earth.
what is the definition of precipitation?
water that falls from the sky to earths surface.
what are the different forms of precipitation?
- rain.
- snow.
- sleet.
- freezing rain.
what does precipitation involve?
freezing and melting of water.
what is the definition of condensation?
occurs afetr evaporation, water can cool and convert from gas to liquid often forming clouds.
what is the definition of transpiration?
water evaporates as water vapour from the leaves to mean that more is continuously pulled to their leaves from the soil.
what is it called when water goes from a solid to a gas?
sublimation.
what is it called when a gas goes to a solid?
crysilisation.
what is it called when a solid goes to a liquid?
melting.
what is it called when a liquid goes to a solid?
freezing.
what is it called when a liquid goes to a gas?
evaporating.
what is it called when a gas goes to a liquid?
condensing.
why is it important that water is circulated?
- maintains habitats.
- maintain internal fluids and transport systems.
- needed for chemcial reactions.
- reactant in photosynthesis.
what are the advantages of precipitation?
- grows crops.
- fresh water.
- helps develop ecosystems.
what are the disadvantages of pricipitation?
- damaging to natrual and artifical structures.
- flooding.
- interrupts human activity.
