Mr. Reed for Mrs. Whetstone’s ClassOctober 22,2009

Flood Video from Mr. Reed’s Hometown

Flood Watch ‘94 WALB TV Albany, Ga Part 2

What is a flood?

A flood is an event in which water flows over land that is normally dry.

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

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

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

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

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

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

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

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175,000

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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?

5th Grade Topic 1 Answer Size, shape, and materials

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5th Grade Topic 2 Question What two areas of Georgia are floods most

common?

5th Grade Topic 2 Answer Mountains and coastal region

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4th Grade Topic 3 QuestionIs a drainage ditch an example of a dam, a

levee, a reservoir, or a floodway?

4th Grade Topic 3 AnswerA floodway because it is a prepared path

for flood waters to flow across

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4th Grade Topic 4 QuestionHow are a levee and a dam different?

4th Grade Topic 4 AnswerA levee is built along the side of a river

and a dam is built across the river.

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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?

3rd Grade Topic 5 Answer Floodway

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3rd Grade Topic 6 QuestionWhat are two of the three ways we

mentioned that floods can happen?

3rd Grade Topic 6 AnswerHeavy rain in short period of time,

repeated rain over several days, and melting snow

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2nd Grade Topic 7 QuestionName two examples of damage done from

flooding?

2nd Grade Topic 7 AnswerMaterials carried with water, creating

messFlooded buildings and carsDamaged cropsUprooted Caskets from cemeteriesDeath Sinkholes

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2nd Grade Topic 8 QuestionWhat is a levee?

2nd Grade Topic 8 AnswerA levee is a wall along the banks of a river

or lake, designed to prevent flooding

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1st Grade Topic 9 QuestionWhat is a dam designed to do?

1st Grade Topic 9 AnswerA dam is designed to hold back water

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1st Grade Topic 10 QuestionWhat is a flood?

1st Grade Topic 10 Answer A flood is an event in which water flows

over land that is usually dry

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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?

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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