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Transcript of Water Cycle
Condensation is the change of state from a gas to a liquid , this happens when the gas loses thermal energy. Condensation happens when water vapour loses thermal energy and becomes a liquid. An example of condensation is rain because while warm air rises it cools and causes condensation of water vapor into tiny water droplets. Another example is when the steam from the shower covers the mirror. Another example is when you can see you breath on a cold day. Condensation is pretty much the opposite of evaporation.
precipitation is when solid or liquid water falls into the Earth's surface from the cloud. Examples of solids or liquids that fall is, rain (which is a liquid water), hail (solid ice), drizzle (light liquid water falling), sleet ( liquid and solid water, it's rain and snow mixed, snow that partially melts as it falls ) and freezing rain (freezing liquid water, it when rain that falls when surface temperatures are below freezing). There are many more combinations and different kinds of precipitation, but here we put some. Precipitation is important because when it falls on the earths surface, it can be used as groundwater (we are going to explain why it's important it the groundwater section). So precipitation is when solid or liquid water falls into earth's surface.
Melting is when water changes state from a solid to a liquid, this happens when water is a solid and gains thermal energy. An example of melting is when there is snow on the ground and its hot outside, in about a hour it will turn into a puddle. Another example is when ice cubes gradually turn into water. A much more simpler definition is when water is solid and gains thermal energy and changes from a solid to liquid.
Deposition is when water changes state from a gas to a solid this happens when a gas loses thermal energy. Sometimes, removing thermal energy from a gas causes it to become a solid instead of a liquid. Deposition happens when a gas (water vapour) change directly to solid. Deposition is the opposite of sublimation. Deposition happens high in the atmosphere where the temperatures are low. In this condition water vapour forms snow without changing state into a liquid first.
Freezing is a state of water that changes from a liquid to a solid when the temperature is below freezing point. It happens when a liquid loses it's thermal energy. When water is in a solid state, the particles in the ice cannot move freely. Water also expands when it freezes into Ice, it expands more then liquid water because the particles are more organized and not mix ( not like liquid water). This is a very unique for water, because most chemicals have solid forms that are denser than their liquid forms. but for water the liquid is more dense then the solid when it freezes.
Evaporation is when water changes state from a liquid to a gas this happens when water is in liquid form and gains thermal energy. This happens when water vapour (when in gas form) seems to disappear by mixing into the air. An example is when you hang clothes or anything to dry, they dry because the water will evaporate into the air.To simplify what evaporation is its pretty much when enough thermal energy is absorbed by water and turns into water vapour. Evaporation is what forms clouds, when water molecules from surface water evaporate and go into the atmosphere, which will eventually form clouds. The evaporation of water is a really important process in our atmosphere.
By: Nadine, Asiyah
The water cycle is a pattern that continues and occurs when water moves while its changing states on, below , and above the earths surface. Water sometimes changes its location.The water cycle is self renewing and constant. The sun gives the energy to to power the water cycle ( By the way I drew the picture myself in paint this is a simplified version - Asiyah)
<<I drew this image my self by the way>>
Groundwater is water that goes into soil and cracks of rocks and its a way to get water for underground springs and wells. Ground water is related to the water cycle because the water precipitation turns into ground water. Groundwater is trickles into the ground until it hits bedrock and it cant move any further. The water will spread out until it fills all the available spaces. The rocks that are loose become saturated with water. Also its related to the water cycle because when ground water hits the surface it will be evaporated.
Sublimation is the change of state of water that goes from solid to gas with out going to the state of liquid. Sublimation happens when solid gains thermal energy. So that means the particles from the water goes from not being able to move freely (solid state) to particles that have lots of energy and move in all directions. Example of things that use Sublimation is dry ice (Dry Ice is frozen carbon dioxide and is natural. ), and Freeze-drying (it is used when water is sublimated in a food product by using a vacuum.)
Water table is the depth which loose rock or soil below earth's surface are saturated with water. the water table is found above the aquifer. The water table is related to the water cycle because The water table form may vary due to seasonal changes from precipitation and evaporation it relates because in undeveloped regions with permeable ( allowing water to pass through the ground) soils receive significant amounts of precipitation. The water table typically slopes toward rivers to drain the groundwater away and release the pressure in the aquifer.
Aquifer is a geological formation of soil and loose rock that is saturated by groundwater. The top part of the aquifer is called the water table. The aquifer is a underground layer of water. The depth of the aquifer may vary it really just depends. Aquifers are usually saturated regions of the subsurface that can produce a good quantity of water to wells and underground springs.
Runoff water is from the precipitation that flows on the Earths surface. Surface runoff (also known as overland flow) is the flow of water that occurs when extra stormwater and meltwater, is there. Or other substance flows over the earth's surface. when runoff water is on land it gets drained from the drainer to prevent flooding. It relates to the water cycle because runoff water is created by precipitaion (from rain ).
I hope you enjoyed learning about the water cycle in our prezi
by: Nadine and Asiyah