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Water Cycle
By: Mr. Danny
The Driving force of the Water
Cycle
Lake Erie has a huge role on the
Water Cycle
THE WATER CYCLE
4. Rain water
falls to form
rivers.
3
4
3. Water vapour
condenses to
form clouds
2
2. Water vapour is
carried up into the
air.
5
5. Rivers flow
into the sea
1. Water
evaporates
1
Accumulation
97% of water is ocean Salt Water
3% Fresh water Glaciers, Ground water,
Lakes, Swamps Rivers
Evaporation
• Heat energy from the sun causes water
in puddles, streams, rivers, seas or
lakes to change from a liquid to a water
vapor.
• This is called evaporation.
• The vapor rises into the air and collects
in clouds.
Condensation
• Water vapor collects in clouds. As the
clouds cool the water vapor condenses
into water drops.
• This is called condensation.
• These drops fall to the earth as rain,
snow or hail.
Cirrus
Composed of Ice= Pleasant
Weather
Stratus
Lower part of sky= light rain
Cumulus
•
Can signal= Violent Weather
Precipitation
• Water falls to the earth from
clouds. Mainly as rain, but
sometimes as snow and hail.
• This is called precipitation.
Transpiration
• Transpiration is the process by which
plants lose water out of their leaves.
• Transpiration gives evaporation a bit of
a hand in getting the water vapor back
up into the air. See Lab
Subsurface Runoff
• How the water infiltrates (soaks) into the
earth…
• Will water go through a rock?
• Will water go through sand?
Surface Runoff
• is the water flow which occurs when soil is
infiltrated to full capacity and excess water,
from rain, snowmelt, or other sources flows
over the land.
The Water Cycle Review
• Your job is to go through 6 different water cycle
sites. /teachers/adanny
• Interact with the sites. Play around
• Take notes / Take quizzes
• Prepare for discussion on the top and worst sites
that you went to.
• Write down any interesting info that you find and
then prepare your notes into VB questions.