Lab: Modeling Water Erosion Answers

How did changing from a light drizzle to a downpour affect the river and the sediment in it? Check all that apply.The river increased its slope.The volume of the river decreased.The velocity of the river increased.There was more erosion in the stream.The type of sediment that moved changed.

Which ideas did you include in your answer? Check all that apply.

Throughout the reflection, make sure that you have the copy of the student guide, PDF or Word and your data tables. Fill in the terms that complete the statements.

Question text not available

sediment Asediment B✔ sediment C

✔ sediment Asediment Bsediment C

Suppose a block of wood is placed under the left edge of the table. How would the new slope affect the rate of erosion? Where would most of the sand be deposited?

area A✔ area BX equally between areas A and B

The Colorado river flows through the Grand Canyon.

January✔ FebruaryJune

Which conditions resulted in the erosion of larger rocks, like the one circled in the image? Check all that apply.

In which Colorado Rockies scenario was there more erosion? Why was there more erosion in the scenario?

A stream table is a tool used to show how water causes erosion. Water from the left side of the table is added to model a stream.Suppose a block of wood is placed under the left edge of the table.Which characteristic of the stream is changed?

How did the lab activities help you answer the lesson question: What factors affect the power of a river to cause erosion? What conclusions can you make from your observations?

Which of these ideas did you include in your answer? Check all that apply.

The Colorado river flows through the Grand Canyon. Which characteristic of the river is directly affected by the amount of precipitation in this area? In which month would there be the most erosion where the river flows through?