Download 1. Which of the following is NOT a major component of soil? a

U5Q2 Geology
1. Which of the following is NOT a major component of soil?
a. mineral matter
c. humus
b. air
d. earthworms
2. The B horizon is also called the ____.
a. topsoil
b. unaltered parent material
c. partially altered parent material
d. subsoil
3. A soil that is characteristic of the humid eastern United States is ____.
a. laterite
c. pedocal
b. pedalfer
d. humus
4. The process responsible for moving material downslope under the influence of gravity is called ____.
a. erosion
c. mass movement
b. weathering
d. soil formation
5. What factor commonly triggers mass movements?
a. saturation of surface materials with water
b. earthquakes
c. removal of vegetation
d. all of the above
6. What is the slowest type of mass movement?
a. a slump
c. an earthflow
b. a rockfall
d. creep
7. What hypothesis states that the continents were once joined to form a single supercontinent?
a. plate tectonics
c. continental drift
b. seafloor spreading
d. paleomagnetism
8. Which of the following factors is the main contributor to soil formation?
a. Climate
b. Seasons
c. Earth’s rotation
d. Earth’s core
9. Which kind of soil is described as thick and infertile?
a. Siderite
b. Laterite
c. Dry
d. Pedalfer
10. In the desert, most soils are made of which horizon?
a. Subsoil
b. Humus
c. Regolith
d. Topsoil
11. How are mass movements classified?
a. by the type of material that moves
b. how the material moves
c. by the speed the material moves
d. all of the above
12. Which of the following is the fastest type of mass movement?
a. rockfall
b. slide
c. slump
d. flows
e. creep
13. At what degree are slopes less likely to hold loose particles?
a. 41 degree angle
b. 14 degree angle
c. 25 degree angle
d. 11 degree angle
14.True or false- Water considered a trigger of mass movements
a. true
b. false
15. Which type of soil receives less than 65 cm of rain per year?
a. Subsoil
b. Pedalfer
c. Pedocal
d. Topsoil
16. What are the most common landforms on Earth?
a. Rivers and lakes
b. Mountains and valleys
c. Streams and valleys
d. Mountains and rivers
17. One kind of evidence that supports Wegener’s hypothesis is that ____.
a. the same magnetic directions exist on different continents
b. major rivers on different continents match
c. land bridges still exist that connect major continents
d. fossils of the same organism have been found on different continents
18.. Rocks that are grouped together in units with similar history are
called___________.
a.
b.
c.
d.
Geologic Sets
Geologic Belts
Geologic Columns
Geologic Groups
19. Earth’s geologic history spans over a length of ______________years?
a. 13.7 billion years
b. 6 billion years
c. 4.5 billion years
d. 6 million years
20. What is the largest unit of geologic time?
a. Era
b. Eon
c. Period
d. Epoch
21. What is the smallest unit of geologic time?
a. Era
b. Eon
c. Period
d. Epoch
22. Wilmington is located in the ________________, which is a geologic unit of rocks
with similar history.
a. Carolina Slate
b. Coastal Plain
c. Blue Ridge
c. Triassic Basin
23. Which of the following states that Earth’s surface consists of rigid, but moving
pieces?
a. theory of continental drift
b. theory of plate tectonics
c. plate tectonics hypothesis
d. continental drift hypothesis
24. Which type of the following evidences of continental drift state that certain minerals
in the Earth’s crust align with the magnetic north and south pole, creating alternating
patterns in the rocks?
a. seafloor spreading evidence
b. paleomagnetic evidence
c. polar magnetic evidence
d. Mid Ocean Ridge evidence
25. Which mountain range in North America can also be found in New Foundland?
a.
b.
c.
d.
Piedmont Mountain
Blue Ridge Mountains
Appalachian Mountains
Sierra Nevada Mountains