SOUTHEAST. 4 TH GRADE SOCIAL STUDIES CLASS. WHAT WE WILL LEARN. GROWING SEASON. MISSISSIPPI RIVER. COAL MINER. ELECTRICITY. COAL. The Mighty Mississippi Lesson 1 Objectives. Describe the ecological importance of rivers.
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SOCIAL STUDIES CLASS
Describe the ecological importance of rivers.
Explain the role of rivers in the development of the United States.
Analyze why cities are located by rivers.
The source starts in Itasca in Minnesota
The mouth of the river is in Louisiana
Throughout the course of the Mississippi is fed by smaller rivers called tributaries.
Some of the tributaries are really large rivers. The Missouri and the Ohio rivers empty in the Mississippi.
The Mississippi has a large river basin
The river basin drains land in 31 of the United States as well as 2 Canadian provinces.
Its tributaries reach all 5 regionsThe Mississippi RiverTHE BODY OF THE NATION
In the last 20years walls have been built along parts of the river to control flooding. They also keep the river from changing its course
New Orleans is near the mouth of the river. This has helped the city grow over time.
New Orleans is one of the busiest ports in the nation because it is located by the mouth. Goods from all over the United States are shipped here.
The Mississippi’s delta is also located in Louisiana.On the River
Due to rivers and streams running downhill water from this area does not always go away. As a result a wetland is formed
Wetlands are important for the environment
They help control floods by soaking up the water. One wetland can absorb 300,000 gallons of water.
They also provide homes for many animals and plants.WETLANDS
Farmers need to watch the growing season.
Our country’s regions have different growing seasons.
The long growing season allows farmers to raise certain crops that can not be raised in cooler regions.
Peanuts would be an example of this crop. Peanut plants take 4-5 months to grow. A frost can easily destroy an entire crop.
Peanuts also need plenty of rain to grown. The region of the Southeast received enough rain for most cropsWATCH THEM GROW
Tobacco and rice are also other types of cash crops found the Southeast.
Arkansas grows more rice than any other state. That is because of the states precipitation. Arkansas receives 49 inches of rain a year
An unexpected freeze can damage many crops, infact it my even destroy all of it.
Every year warm weather of the Southeast brings in millions of tourists.
Some tourists are called “sunbirds” they enjoy the warm weather.PEOPLE WORK WITH CLIMATE
They had little light and limited air to breath.
They removed coal with picks, shovels and sometimes explosives.
There were many dangers in coal mining.
Tunnels would cave in and trap the miners.
Tunnels also had gases in them. If a spark was set an explosion would take place. Many miners lost their lives this way.
Children worked in the mines till the 1940’sA DIFFICULT JOB
Over the years the union improved pay and mine safety.
The union also demanded medical care for miners with lung damage from years of breathing in coal dust.
The union also demanded medical care for miners with lung damage from years of breathing in coal dust.A DIFFICULT JOB CONTINUED
New machines let workers to dig up coal faster.
The work is not as dangerous as it use to be.
Mining has become easier due to technology.
Mining has become easier due to technology.
Miners today use extractors and other machines.
Miners today use extractors and other machines.A COAL MINER
Burning coal pollutes the air, however scientist have developed technology that makes burning coal cleaner
Nuclear power plants supply one-fifth of our electricity. The don’t create smoke, but they create waste that are very dangerous.
Electricity can also be made from running water. This does not pollute, however rivers cannot supply enough electricity to meet our needs.COAL AND ELECTRICITY
Unlike most minerals coal can be burned, when burned it gives off heat.
Navajo and the Hopi were among the Native Americans who used it for heat and to bake pottery.
The coal industry began to take affect in the 1830’s
The railroads began to spread around this time. Coal was much easier to move with a train.
By the 1890’s people were using 200 million tons each year.DEEP IN THE GROUND