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marine scince > water cycle > Flashcards

water cycle Flashcards

1
Q

what is evoperation

A

evoporation occur when a liquid changes into gas and occur at a range of temperatur

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2
Q

where does evoparation occur

A

surface of the liquid

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3
Q

what happen to ke during evoparation

A

they move faster

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4
Q

what happen to the intermoleculer space during evoparation

A

force of acttraction decreases and the inter molecular space increases

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5
Q

what is condenseation

A

when gas change to liquid

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6
Q

what happen to ke in condensation

A

lose energy and mov slower

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7
Q

what happen to intermoleculer space in condensation

A

force of attraction increases and the intermolecular space increases

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8
Q

what is freezing

A

liquid changing to solid

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9
Q

what happen to ke during freezing

A

lose energy and vibrate in the position

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10
Q

what happen to the attraction during freezing

A

get stronger and are able to stop the particles from moving freely

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11
Q

what is melting

A

solid changing to liquid

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12
Q

what happen to ke in melting

A

require heat to transform into ke allowing the particles to move

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13
Q

when does melting occur

A

specific temperature known as the melting point

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14
Q

what is ke

A

movment of particles due to heating

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15
Q

proporties of matter are

A

all matter is made up of small particles
the particles are moving all the time
heavier particle move slowly than lighter particles at the same temperature

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16
Q

what is diffusion

A

random movment of particles from high concentrston to lower concentration until they are evenly distributed

17
Q

what are the stages involved in water cycle

A

evoparation
condensation
precipitation
runoff

18
Q

what happen to sea water during evoparation

A

salanity of sea water increases

19
Q

what are the factors effecting rate of evoparation

A

temperature, wind increases evoparation
humidity decreases evoparation
rainfall decreases evoparation

20
Q

what is precipitation

A

water realesed from cloud in form of rain or snow

21
Q

what precipitation help in forming

A

land based ince in cold region

22
Q

how does run off occur

A

by flowing into a river or through ground water

23
Q

what is surface run off

A

due to rain and melting ice and snow causes surface runoff this result in the dissolving of mineral and nutrients from land to sea

24
Q

what are the benifit of sarface run off

A

it help many algea phytoplankton to grow which is feed by other organism

25
Q

disadvantage of surface run off

A

pollute water with sediment
contaminating land area
turbid water kill water animal
reduce light penetration-less photosynthesis

marine scince (7 decks)

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