WorksheetsHydrosphere 2B2
Total questions: 23
Worksheet time: 26mins
Name
Class
Date
1.
Capillary action uses which properties of water to move water against gravity up a plant?
a)
Polarity and Conduction
b)
High Specific Heat and Polarity
c)
Adhesion and Cohesion
d)
Root uptake and Conduction
2.
When plants release excess water it is called
a)
evaporation
b)
transpiration
c)
condensation
d)
water cycle
3.
What powers the water cycle?
a)
running water
b)
the sun
c)
Earth's interior
d)
gravity
4.
What is the name of the largest ocean current along the east coast of the US?
a)
West Wind
b)
Canary
c)
California
d)
Gulf Stream
5.
What force guides the movement of deep currents?
a)
density differences
b)
wind
c)
Coriolis Effect
d)
continental barriers
6.
A semi-enclosed area where freshwater from a river meets salty water from the sea is a(n):
a)
watershed
b)
estuary
c)
aquifer
d)
river basin
7.
Which statement best compares the amount of water present on Earth today to the amount present millions of years ago?
a)
Slightly more water on Earth today
b)
Significantly less water on Earth today
c)
Significantly more water on Earth today
d)
The same amount of water today
8.
(8.E.1.4) Why is it important for people to understand how to properly dispose of wastes in a watershed?
a)
Proper disposal of wastes will regulate Earth’s climate
b)
Proper disposal of wastes will eliminate the need for additional landfills
c)
Improper disposal of wastes in a watershed affects the amount of water flowing downstream
d)
Improper disposal of wastes in a watershed affects the organisms living in the water downstream
9.
(8.E.1.1) Most of Earth’s freshwater is found?
a)
as a liquid in the ground
b)
as vapor in the atmosphere
c)
as liquid in rivers, oceans, and lakes
d)
solidified as ice in glaciers and icebergs
10.
(8.E.1.2) The two kinds of coastal wetlands that border estuaries are called
a)
coral reefs and mangrove forests
b)
sounds and salt marshes
c)
salt marshes and mangrove forests
d)
coral reefs and kelp forests
11.
(8.E.1.3) Which event will most likely cause increased turbidity in a lake or pond?
a)
Increase in runoff
b)
Decrease in runoff
c)
Increase in aquatic plants
d)
Decrease in aquatic plants
12.
(8.E.1.3) Which is the best example of point-source pollution?
a)
Runoff from farms and fields
b)
A chemical company dumping chemicals into a nearby bay
c)
Smoke from multiple industries in large cities
d)
Pesticides sprayed from into the air
13.
(8.E.1.2) As you go deeper in the ocean depth, what happens to the pressure and temperature?
a)
The water temperature and pressure both increase
b)
The water temperature decreases and the pressure increases
c)
The water temperature increases and the pressure decreases
d)
The remain constant regardless of the depth of the water
14.
(8.E.1.3) Which of the following would be considered the worst conditions of a body of water?
a)
high turbidity, high temperature, and acidic
b)
high turbidity, low temperature, and neutral pH
c)
low turbidity, high temperature, and neutral pH
d)
low turbidity, low temperature, and basic
15.
(8.E.1.2) How does “upwelling” in the ocean compare to “lake turnover”?
a)
Both bring oxygen from the lower water layers to the upper water layers
b)
Both take nutrients down from the top of the layer of water to the lower water layer
c)
Both are processes continuous year round
d)
Both bring nutrients from the lower water layers to the upper water layers
16.
(8.E.1.3) Which best explains why there is a greater concentration of oxygen located near the ocean’s surface?
a)
Sunlight warms the ocean’s temperatures and stimulates oxygen production near the surface
b)
Plankton produce excess amounts of nutrients that remove oxygen levels from the atmosphere
c)
Plants, which release oxygen, live near the surface of the ocean, where they receive large amounts of sunlight
d)
Marine life gives off oxygen instead of carbon dioxide, which makes the ocean water rich in oxygen
17.
(8.E.1.4) How can humans most directly influence what happens in a river basin in a positive way?
a)
Develop a task force for creating estuaries
b)
Protect soil, water, air, plants, and animals
c)
Ignore regulation and building codes
d)
Drain swamps, wetland, marshes, and bogs
18.
(8.E.1.3) Which of the following is an example of nonpoint-source pollution?
a)
A spill of toxic waste on the side of a road
b)
Discharge pipe from a meatpacking plant
c)
Fertilizer used on a family garden
d)
Storm water runoff in a community
19.
(8.E.1.3) How does the use of a pH meter help monitor the hydrosphere?
a)
By indicating whether the water is too acidic or basic
b)
By indicating there is too much sediment in the water
c)
By indicating whether microorganisms are living in the water
d)
By indicating if there is enough dissolving oxygen in the water
20.
(8.E.1.2) To which condition do all species living in the deep ocean near hydrothermal vents have to adapt?
a)
Lower salinity
b)
Low pressure
c)
Swift ocean currents
d)
Hot water temperatures
21.
(8.E.1.3) Which water quality data indicates eutrophication?
a)
Increase in nitrates and phosphates
b)
Decreased turbidity
c)
Increase in oxygen levels
d)
Neutral pH level
22.
(8.E.1.4) Which is used by sewage treatment plants to kill harmful bacteria in water?
a)
chlorine
b)
filters
c)
detergents
d)
fluoride
23.
(8.E.1.1) Which of these correctly describes water on Earth?
a)
About 70% freshwater and 30% saltwater
b)
About 70% saltwater and 30% freshwater
c)
About 97% freshwater and 3% saltwater
d)
About 97% saltwater and 3% freshwater
100 %
