Module 6

Question 1

this is also called as a “landslip”

Answer 1

landslide

Question 2

this is a ground movement on a slopping terrain; they do not happen on flat grounds

Answer 2

landslide

Question 3

these are depressions or holes on the ground that resulted from the collapse of the surface layers of the soil

Answer 3

sinkholes

Question 4

they occur in areas where the soil foundation is made of soft minerals and rocks such as limestones

Answer 4

sinkholes

Question 5

true or false

sinkholes are natural formations that serve as an underground basin or a reservoir of water

Answer 5

true

Question 6

this is used to measure the slope angle, soil compaction and soil strength of an area

Answer 6

abney leve l or laser rangefinder (for landslides)

Question 7

this instrument is to provide images of the subsurface ground; it can detect the type of objects, changes in material, and voids and cracks under a layer of soil

Answer 7

ground-penetrating radar

Question 8

what does DENR stand for?

Answer 8

Department of Engineering and Natural Resources