mr. reed for mrs. whetstone’s class october 22,2009
TRANSCRIPT
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Mr. Reed for Mrs. Whetstone’s ClassOctober 22,2009
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Flood Video from Mr. Reed’s Hometown
Flood Watch ‘94 WALB TV Albany, Ga Part 2
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What is a flood?
A flood is an event in which water flows over land that is normally dry.
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What causes a flood?A heavy rainfall over a short period of time
HurricanesOther tropical storms
Days of repeated rainfallRain water fills up the ground and soilAdditional rain has nowhere to go and flows across
surface, called runoff
Melting snow
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River and Lake FloodsHeavy or repeated rain
Runs off into rivers and lakesWater in the rivers and lakes flow
downstream picking up more water along the way
Rivers begin to overflow their banks and flooding occurs
Example Hurricane Katrina in 2005
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Flood DamageOver a billion dollars per year
Why so much damage? It is only water?Materials carried with water, creating messFlooded buildings and carsDamaged cropsUprooted Caskets from cemeteriesDeath Sinkholes
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How can we control floods?Storm Drains – a
system of pipes or channels that carry away water from storms
Levees – a wall along the banks of a river or lake, designed to prevent flooding
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How can we control floods?Dam – a wall across a
river or other waterway, designed to hold back water
Reservoir – an artificial lake, used to hold water for future use and to control floods
Floodway – a path for flood waters to flow over
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Georgia FloodsFloods happen in Georgia every yearMostly in the mountains and coastal regions
of the southeast1977 – Toccoa Creek broke through a dam
after heavy rains1994 – Tropical storm Alberto flooded
Albany, Ga and many other cities along flint river
2009 – Flooding in Atlanta metropolitan area
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Are You Smarter Than a 5th Grader?
1,000,000
5th Grade5th Grade 5th Grade
4th Grade 4th Grade 4th Grade
3rd Grade 3rd Grade 3rd Grade
2nd Grade 2nd Grade 2nd Grade
1st Grade1st Grade 1st Grade
500,000
300,000
175,000
100,000
50,000
25,000
10,000
5,000
2,000
1,000
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5th Grade Topic 1 Question What three things do engineers take into
consideration when building a levee, that helps prevent erosion?
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5th Grade Topic 1 Answer Size, shape, and materials
Return
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5th Grade Topic 2 Question What two areas of Georgia are floods most
common?
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5th Grade Topic 2 Answer Mountains and coastal region
Return
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4th Grade Topic 3 QuestionIs a drainage ditch an example of a dam, a
levee, a reservoir, or a floodway?
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4th Grade Topic 3 AnswerA floodway because it is a prepared path
for flood waters to flow across
Return
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4th Grade Topic 4 QuestionHow are a levee and a dam different?
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4th Grade Topic 4 AnswerA levee is built along the side of a river
and a dam is built across the river.
Return
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3rd Grade Topic 5 QuestionWhat type of flood control is being used if
a city decides to use the land around a river as a park?
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3rd Grade Topic 5 Answer Floodway
Return
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3rd Grade Topic 6 QuestionWhat are two of the three ways we
mentioned that floods can happen?
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3rd Grade Topic 6 AnswerHeavy rain in short period of time,
repeated rain over several days, and melting snow
Return
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2nd Grade Topic 7 QuestionName two examples of damage done from
flooding?
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2nd Grade Topic 7 AnswerMaterials carried with water, creating
messFlooded buildings and carsDamaged cropsUprooted Caskets from cemeteriesDeath Sinkholes
Return
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2nd Grade Topic 8 QuestionWhat is a levee?
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2nd Grade Topic 8 AnswerA levee is a wall along the banks of a river
or lake, designed to prevent flooding
Return
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1st Grade Topic 9 QuestionWhat is a dam designed to do?
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1st Grade Topic 9 AnswerA dam is designed to hold back water
Return
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1st Grade Topic 10 QuestionWhat is a flood?
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1st Grade Topic 10 Answer A flood is an event in which water flows
over land that is usually dry
Return
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Million Dollar QuestionGrade Level Topic 11What year OR where did 2 of the three Georgia
floods that we talked about happen?
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1,000,000 Answer 1977 in Toccoa near the S.C. border1994 in southern Georgia / Albany, Ga.2009 in Atlanta metropolitan area
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Thanks for Playing!