Aiden-sci

SCIENCE EXPLORATION OF EROSION

Think about the two different demonstrations that took place outside this week.


 * First,** explain __what we did__ in the first ditch. Tell about the __landforms you saw being formed__. Explain __how you knew what you were seeing__. (example: A valley was formed because a low place between the two mountains was formed.)


 * Next**, the second paragraph will tell about __what we did__ in the ditch at the top of the hill and __what you learned.__

You will be graded on whether you used all of the vocabulary words correctly and if you followed the directions to form two paragraphs with topic sentences and concluding sentences and had all required information.

Use the following vocabulary in 2 well written paragraphs. Be sure to include an explanation of how you know each of the things you learned. You may type it here or write on a separate sheet of notebook paper. You will have 2 days to work on it before turning it in.
 * erosion sediment meander canyon delta**
 * river basin deposition slope dam lake**

On Dirt Day, Mrs. Greenslade had made two mountains of dirt and caused **erosion** with a garden hose. A **canyon** a deep valley caused by erosion was formed from **landslides** and water. A river was running down the side of the moutain and makeing a **river** with many **meanders**. Deposition formed natural **dams** with leaves and small sticks that had floated down the **channel.** Some of the water flowed the other wayand formed a **lake** behind the mountain.

On the top of the hill, we got to make **dams** to try and stop the **river** flow. The river pick up dirt and leaves, the items that the river pick up and washed up on the shore is called **seiment.** The water flow from the water made **basin**. When the water passed the **dams** and made a lake there was a **delta**. Everyone had a good time at Dirt Day.