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Capillarity Homework

Total questions: 20

Worksheet time: 17mins

Name
Class
Date
1.
Why does water move from the roots to the leaves of plants through the plants' tiny tubes?
a)
specific heat 
b)

capillary action

c)

atoms

d)
density
2.
What is it called when rainwater contributes to the flow of rivers and streams?
a)
Transformation
b)
Runoff
c)
Irrigation
d)
Desertification
3.
___________________ is the movement of water into the ground due to the pull of gravity.
a)
runoff
b)
infiltration
c)
evaporation
d)
precipitation
4.

Having pores or openings that permit liquids or gases to pass through is called

a)

Absorption

b)

Permeable

c)

Impervious

d)

Saturation

5.

Runoff water that is absorbed by subsurface of soil and rock.

a)

Groundwater

b)

Infiltration

c)

Wetland

d)

Saturation

6.
The name of the area that is the upper level of the zone of saturation:
a)
Zone of Saturation
b)
Zone of Aeration
c)
Water Table
7.

Groundwater is found in permeable rocks. Permeable means…

a)

porous

b)

nothing can pass throughc

c)

caves and caverns

d)

answer not shown

8.

As permeability increases

a)

Infiltration decreases and runoff decreases

b)

Infiltration increases and runoff decreases

c)

Infiltration decreases and runoff increases

d)

Infiltration increases and runoff increases

9.
A major cause of floods is
a)
light rain over a large area.
b)
increased capacity of stream channels.
c)
empty space in the zone of saturation.
d)
no space in the zone of saturation
10.

Water flowing downslope along Earth's surface is called ___.

a)

water fall

b)

runoff

c)

water shed

d)

stream

11.

Which graph best represents the relationship between the discharge of a stream and the velocity of stream flow?

a)
b)
c)
d)
12.

______________________ is the amount of water a river or stream can carry in a given amount of time.

a)

Load

b)

Gradient

c)

Discharge

d)

Alluvium

13.

Earth's water supply is constantly recycled in the _______________

a)

water system

b)

water cycle

c)

water pattern

d)

recycling system

14.

What is it called when water from precipitation flows down slope along Earth's surface?

a)

inflow

b)

runoff

c)

infiltration

d)

soaking in

15.
The hydrologic cycle continuously recycles _______ through Earth's systems.
a)
rocks
b)
water
c)
oxygen
d)
carbon dioxide 
16.
Where is most of the freshwater found on Earth?
a)
lakes
b)
glaciers
c)
oceans
d)
rivers
17.
Approximately what percentage of Earth's water is SALT water?
a)
97 %
b)
71%
c)
30%
d)
3%
18.
Which reservoir in the water cycle contains the most water?
a)
Ice Caps
b)
Lakes
c)
Groundwater
d)
Oceans
19.
Which best explains why runoff is important?
a)
It returns water to other locations on Earth
b)
It increases the chance of flooding
c)
It makes evaporation occur faster
d)
It increases condensation
20.
What percentage of the Earth’s fresh water is available for drinking?
a)
10%
b)
<1%
c)
3%
d)
15%