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Science Presentation Chapter 11 Lesson 1 and 2

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Ulrich Schmidt

on 23 May 2014

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Transcript of Science Presentation Chapter 11 Lesson 1 and 2

Science Presentation Chapter 11 Lesson 1 and 2
Math Practice
Erosion- Process by which water,ice,gravity, and wind move sediment and soil from one place to another.

Water cycle- Continuous movement of water between the land,ocean, and atmosphere.

Tributary- A stream that flows into a lake or into a bigger stream.

Watershed- The area of land that is drained by a river system.

Divide-Watersheds are saperated from each other by a higher ground.

Channel- A path that a stream flows.

Load- Materials carried by a stream.
Lesson 1: The Active River
Key Concept: Water running downhill is the dominant process in shaping the landscape.

Explanation: This concept is trying to explain that water is is an important part of a process shaping a landscape which is called erosion. As an example the water running downhill which is now called the Colorado River cut down into the rock which now is called the Grand Canyon.

rivers and lakes
water underground,in air, and in soil
polar icecaps
B. x%
1. If the diagram equals to 100% what is x ?
Concept Map
Lesson 2: Stream and River Deposits

Rivers and streams are dynamic systems that erode , transport sediment, change course, and flood their banks in natural and recurring patterns.
Explanation: This concept is trying to say that alot of water erosion comes from rivers, taking sediment and then depositing it somewhere else around the world. For example, the Nile River taking sand and dirt and then depositing it on the beach.
Deposition- the process in which material is laid down
Delta- a fan shaped mass of material deposited at the mouth of a stream
Alluvial fan- a fan shaped mass of material deposited by a stream when the slope of land decreases sharply
Flood Plain- an area along a river that forms from sediment deposited when the river overflows its banks
Math Practice
A river flows at a speed of 2 kilometers per hour.How many kilometers would you flow if you floated for 10 hours ?
Sediment deposited at the mouth of the Nile River
Alluvial fan in the Tibetan plateau.
Once the Missouri and the
Mississippi River had a flood that
overflowed their banks in 1993.
Here is a picture of the rivers today.
1.Disadvantage- Food will be limited.

2.Disadvantage- Cause damage to buildings.

3. Advantage- Floods could add nutrients to the soil.

4. Disadvantage- Most of the time there will be no electricity

5. Advantage- more water
Life Benefits and Disadvantages on Flooding
MLA Citations


The grand canyon today
1. What is the process of shaping a land scape?

2. What is the advantage of a river?

3. What is the disadvantage of a river?

4. What year did the Missouri and the Mississippi River flood?

5.What kind of sediment does the Nile River deposit?

Answer key
1. Erosion
2. A water source
3. Water damage
4. 1993
5.Sand and dirt

Through the Rocky Mountains is the Continental Divide.It separates the Gulf of Mexico which flows into the Pacific Ocean and watersheds which flow into the Atlantic Ocean.
Rapids and falls occur where the rivers flow over hard, resistant rock.
Pebbles and boulders are an example of a bed load. Sodium and calcium are examples of
a dissolved load.Sand in
suspension is an example of
a suspended load.
Concept Map
Alluvial Fan
Flood Plain
Advantages and Disadvantages of Rivers
1. Advantage- More water and food

2. Disadvantage- Cause flooding

3. Advantage- Provide electricity

4. Disadvantage- May crush plants like crops.

5. Advantage- Can improve health.

Table of Contents
1. Key Concept
2. Video
3.Math Practices
4. Figure Illustrations
5. Vocabulary
6.Advantages and Disadvantages in Life
7.Concept Map

For 2 sections
"Google Images."
Google Images
. N.p., n.d. Web. 20 May 2014.

. YouTube, n.d. Web. 20 May 2014.

Research Question 2
Why Do Floods Affect Our Daily Life

Floods affects our education the way we learn. Floods also affect on the sports we play. Another example is the limited supply caused by floods can affect the food and water that we depend on to live.
Reasearch Question 1

How Does Erosion Effect Our Daily Life

Erosion effects our daily life by affecting the shape of Earth"s land. As an example there would be no Grand Canyon without Erosion.
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