Objectives |
| 1. The student will understand the idea of chance in flooding of the Red River.
2. The student will understand how to read a topographic map.
3. The student will be able to use probability to describe flooding. |
ND Standards Addressed |
| |
MN Standards Addressed |
| SC Earth and Space Science |
MB Standards Addressed |
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Time Requirement |
| 1 Hour |
Procedure/Outline |
| Materials Needed:
Map of the Red River from Discover the Red River
500 - very small blue cards
1 - red cards
a hat or box to put cards in
paper and pencil
Procedure:
1. Discuss the map of the Red River and the topography of the land. Discuss contour lines and where is "high" in elevation and where is "low" in elevation.
2. Discuss the reasons why people might want to build homes and cities near rivers.
3. Discuss the "greenway" or riparian area next ot the river.
4. Put this information on the board:
Average flow rate 800 ft
Bank Full 805 ft
Minor Flooding 806 ft
10- year flood 810 ft
100- year flood 815 ft
500- year flood 820 ft
5. Discuss how many homes would be flooded if each kind of flood happens in the area.
6. Put 10 cards (9blue and 1red)in the box, have the students draw a card 10 times. Record the flood or nonflood for each of the 10 years.
Discuss what it means to be a 10 year flood. Repeat.
7. Repeat for 100 year flood and discuss.
8. Repeat for 500 year flood and discuss.
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Modifications/Adatption/Extensions |
| None |
Assessments |
| Check for understanding as the activity progresses by walking between groups and asking questions. |
Other Comments |
| Possible opportunity to discuss why or why it is a good idea to build a house near the river. |
