1. Chapter 16

2. The layer of an aquifer in which the pore space is completely filled with water is called the zone of
aeration
saturation
recharge
porosity

3. A natural flow of groundwater to Earth’s surface is called a(n)
well
caprock
spring
cone of depression

4. Open spaces in rock must be connected in order for the rock to be
packed
porous
fractured
permeable

5. Carbonic acid breaks down minerals in rock in a process called
sorting
capillary action
saturation
chemical weathering

6. The amount of uniformity in the size of a rock or sediment particles is called
packing
sorting
permeability
cracking

7. Which of the following does NOT affect the depth of the water table below the ground?
surface topography
permeability of the aquifer
pollution
rainfall

8. The area where water from the surface can move through permeable rock to reach an aquifer is called a
recharge zone
water table
well
gradient

9. Which of the following does NOT affect the flow of groundwater through an aquifer?
porosity
gradient
chemical weathering
permeability

10. What quality distinguishes an ordinary well from an artesian well?
water flows freely from an ordinary well.
water is pressurized in an ordinary well.
c. Water must be pumped from an ordinary well.
d. Water comes from rainfall in an ordinary well.

11. Which of the following sediments has the highest porosity?
poorly sorted sediment
tightly packed sediment
coarse-grained sediment
fine-grained sediment

12. Which of the following statements best describes the relationship between porosity and permeability?
porosity and permeability are not related
b. porosity describes how water flows through permeable rock
c. permeability is the ease with which water passes through porous rock
d. porous rock is always permeable.

13. a body of rock that stores groundwater and allows it to flow
Aquifer
Artesian formation
c. Sinkhole
d. Cone of depression

14. the ability of rock to let fluids pass through its pores
Porosity
Permeability
c. Hard water
d. Soft water

15. water rich in dissolved minerals
a. Porosity
b. Permeability
c. Hard water
d. Soft water

16. a circular depression that forms on the surface when rock dissolves or a cavern or mine collapses
a. Aquifer
b. Artesian formation
c. Sinkhole
d. Cone of depression

17. a sloping layer of permeable rock sandwiched between 2 layers of impermeable rock
aquifer
artesian formation
sinkhole
cavern