1. Table of Contents:
Click on the picture next to each topic to discover
more about the water cycle! After you’ve looked at
each section, practice what you’ve discovered by
learning The Water Cycle Song!
Enjoy your journey!!
Evaporation & Transpiration
Condensation
Precipitation
Putting it all together: THE WATER CYCLE
The Water Cycle Song

2. Evaporation & Transpiration
Both are caused by the sun’s heat.
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3. Evaporation
Water begins its journey
as a liquid in streams,
rivers, ponds, lakes, and
oceans…even puddles! It
is in a liquid state and sits
on the earth because it is
heavier than air.
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4. Evaporation
When the sun heats up the water, the water turns into
vapor (tiny molecules of water) and heads for the sky.
When water evaporates it is lighter than air.
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5. Transpiration
Just as we sweat, so do plants!
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6. Transpiration
Plants absorb water from the soil. Each plant will use the
water that it needs to help it grow. As extra water travels
through the plant and to its leaves, it is pulled out and
evaporated into the air. This process is called transpiration.
Transpiration
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7. Condensation
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8. Condensation
Did the water leak through the glass? No! It came from
the air! Water vapor in the air became cooler when it
touched the cold glass, causing it to became liquid again!
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9. Condensation
When water vapor goes up into the air, it becomes colder
and gathers with millions of other tiny molecules of water
to create all of the beautiful clouds in our skies!
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10. Condensation
Did you notice something about the process of condensation?
It is the OPPOSITE of evaporation!
Why is that?!
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11. Precipitation
Some things are just too heavy to hold!
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12. Precipitation
We get precipitation when so much condensed water has become
too heavy for the atmosphere to hold on to.
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13. Precipitation
The clouds get so packed with water molecules that they
become heavy and much colder. As the evaporation cools, it
turns back into water and falls down to the ground.
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14. Precipitation
Snow
Rain
Hail
Sleet Retur
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15. Precipitation
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17. Now, let’s put it all togetherWater Cycle!
Thus, completing The into The Water Cycle
…that goes into
the air and
…and precipitates condenses…
First, we get heat it cools and
once
becomes heavy…
from the sun…
…then collects in
…which evaporates and on the earth.
the water…
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19. What does this all mean?
What IS The Water Cycle?
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20. The Water Cycle Song
Practise this song!
Set to “She‟ll Be Coming „Round the Mountain”
Water travels in a cycle, yes it does!
(In class, we‟ll hold hands and walk in a circle)
Water travels in a cycle, yes it does!
(In class, we‟ll hold hands and walk in a circle)
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21. The Water Cycle Song
It goes up as evaporation
(hands straight up)
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22. The Water Cycle Song
Forms clouds of condensation
(hands clasp together)
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23. The Water Cycle Song
Falls down as precipitation, yes it does!
(Bring hands down & wiggle, imitating rainfall)
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24. THE END
You have successfully completed
this presentation on The Water Cycle!
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