Earth Exploration 9_ Ch 15

Earth Exploration 9_ Ch 15 - Question 1 Read about the 1996...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Question 1 Read about the 1996 event in Yosemite National Park (page 350) and look at Figure 15.1(a), photos of this event. Also examine Figure 15.2, which shows how mass movements of land are classified. The event in Yosemite was which type? Choose one answer. a. debris flow b. rock fall c. earth creep d. rock slump Question 2 Marks: 1 Refer to Figure 15.2. Which type of movement always has a very rapid velocity? Choose one answer. a. rock creep b. rock slide c. debris flow d. earth slump Question 3 Marks: 1 Refer to page 353. Which best describes the type of material called debris? Choose one answer. a. fine-grained weathered fragments (< 2 mm in size) b. coarse-grained weathered fragments (>2 mm in size) c. solid rock Question 4 Marks: 1 Read section 15.2. Which best describes what causes mass movements of land? Choose one answer. a. Movement occurs when force of gravity exceeds resisting strength. b. Friction between debris and bedrock causes debris to move downslope.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 10/23/2010.

Page1 / 3

Earth Exploration 9_ Ch 15 - Question 1 Read about the 1996...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online