Video Assignment: A River Of Sand
- Due Nov 7, 2021 by 11:59pm
- Points 4
- Submitting a text entry box or a file upload
Watch the video "River of Sand" from the Unit 8 Lecture Notes and answer the following questions. http://www.3cmediasolutions.org/f/8c50136b472decb1be2f21e8226404534202d2ed?i=6 (Links to an external site.)
1. Most sandy Southern California beaches are composed of:
A) Quartz and feldspar B) Volcanic rock fragments C) Shell fragments D) Mud
2. The sand found on Southern California beaches was originally carried there by:
A) Wind B) Turbidity currents C) Glaciers D) Groundwater E) Streams
3. Winter beaches in California have much less sand on them than summer beaches. Where does the sand go in the winter?
A) Onto offshore sand bars B) Longshore transport reverses C) Into the mouths of rivers D) It's deposited on the backshore
4. Longshore transport is caused by:
A) Waves breaking at an angle B) Turbidity currents C) Tidal forces D) Rivers
5. What do you find at the end of a beach compartment (see Figure 10-12 in your book)?
A) Jetty B) Barrier Island C) Submarine canyon D) Coral reef
6. What is the name of the harbor discussed in the video that is shown in the photograph above?
7. What is the name of the landform that the arrow is pointing toward in the photograph?