WorksheetsEarth--The Water Planet
Total questions: 50
Worksheet time: 35mins
Name
Class
Date
1.
Brackish water is:
a)
Salty
b)
Fresh
c)
Found only in extremely cold water
d)
A mix of salty and fresh
2.
A strong surface current that runs along the east coast of the United States and carries warm water to Europe.
a)
California Current
b)
Global Conveyor Belt
c)
Gulf Stream
d)
Surface Current
3.
Which is the opposite of condensation?
a)
runoff
b)
evaporation
c)
precipitation
d)
transpiration
4.
Roughly 2% of the earth's freshwater is?
a)
frozen
b)
water vapor
c)
groundwater
d)
polluted water
5.
What happens to pressure as you go deeper into the ocean?
a)
increases
b)
decreases
c)
stays the same
d)
doubles
6.
What is the condition of the Earth's atmosphere at a certain time and place?
a)
climate
b)
temperature
c)
weather
d)
air pressure
7.
What is the weather conditions in an area over a long period of time?
a)
climate
b)
temperature
c)
elevation
d)
precipitation
8.
A phase change from liquid to gas
a)
condensation
b)
evaporation
c)
sublimation
d)
deposition
9.
A result of upwelling is a/an _________ in nutrients in the water.
a)
Decrease
b)
Increase
c)
No Change
10.
Which word means the concentration of dissolved salts in water?
a)
Water
b)
Ocean
c)
Salinity
d)
Sonde
11.
What is it called when a liquid becomes a gas?
a)
freezing
b)
evaporation
c)
condensation
d)
melting
12.
What is it called when a solid becomes a liquid?
a)
freezing
b)
evaporation
c)
condensation
d)
melting
13.
What is it called when a gas becomes a liquid?
a)
freezing
b)
evaporation
c)
condensation
d)
melting
14.
What is it called when a liquid becomes a solid?
a)
freezing
b)
evaporation
c)
condensation
d)
melting
15.
When water evaporates it changes from a __________________ to a _______________.
a)
liquid to a gas
b)
gas to a liquid
c)
solid to a liquid
d)
solid to a gas
16.
When water condenses it changes from a __________________ to a _______________.
a)
liquid to a gas
b)
gas to a liquid
c)
solid to a liquid
d)
liquid to a solid
17.
Which type of water will sink?
a)
Warm, less salty
b)
Warm, more salty
c)
Cold, less salty
d)
Cold, more salty
18.
The usual weather of an area over a long period of time is called _____
a)
Climate
b)
Temperature
c)
Heat
d)
Cold
19.
Surface currents are formed by ____
a)
Wind
b)
Clouds
c)
Ocean creatures
d)
Temperature
20.
In addition to salinity, what factor affects the density of seawater?
a)
moisture
b)
latitude
c)
temperature
d)
salt content
21.
Tiny ocean plants and animals that float
a)
Plankton
b)
Nekton
c)
Benthos
d)
Fish
22.
Upward flow of cold water from the ocean bottom
a)
Neap Tide
b)
Capillary action
c)
Upwelling
d)
River
23.
A stream of water moving like a river through the ocean is called ___
a)
Wave
b)
Tide
c)
Current
24.
The Gulf stream carries _____________ water from the Tropics to the west coast of Europe.
a)
Cold
b)
Warm
c)
Freezing
d)
Fresh
25.
The Coriolis Effect is caused by
a)
Earth rotating around the sun
b)
Earth rotating on its axis
c)
The tides
d)
Gravity
26.
Upwelling is when deep ocean waters rise to the surface. Upwelling will occur if:
a)
The deep water is saltier than the shallower water
b)
The deep water is denser than the shallower water
c)
Wind blows the shallow water along the coast away from the coast
d)
Wind blows the shallow water along the coast towards the coast.
27.
Where is most water found on Earth?
a)
glaciers
b)
lakes
c)
rivers
d)
oceans
28.
Snow, sleet, hail, and rain are all examples of ________________.
a)
evaporation
b)
condensation
c)
accumulation
d)
precipitation
29.
What percentage of the water on Earth is salt water?
a)
25%
b)
72%
c)
97%
d)
99%
30.
Rainfall and river runoff cause the salinity to _________________.
a)
increase
b)
decrease
31.
What is the most abundant salt in the sea?
a)
calcium chloride
b)
potassium chloride
c)
magnesium chloride
d)
sodium chloride
32.
Seawater is typically denser than freshwater due to seawater’s —
a)
Greater depth
b)
Lower freezing point
c)
Smaller mass
d)
Higher salinity
33.
Salinity increases as ocean depth increases.
a)
True
b)
False
34.
A volcanic mountain that rises above the surface of the water is called ____________
a)
trench
b)
island
c)
mid-ocean ridge
d)
seamount
35.
What is a deep, underwater valley or canyon on the ocean floor?
a)
seamount
b)
trench
c)
continental rise
d)
continental slope
36.
The shallowest(least deep) part of the ocean is the ____________________
a)
trench
b)
abyssal plain
c)
continental shelf
d)
continental slope
37.
The El Nino is caused by
a)
cold water off the Atlantic coast of South America
b)
warm water in the Pacific off the coast of South America
c)
warm water in the Pacific off the coast of Mexico
d)
cold water in the Pacific off the coast of Mexico
38.
During __________ upwelling occurs off the coast of Peru.
a)
Normal Conditions
b)
El Nino
c)
spring
d)
Mardi Gras
39.
Sublimation is
a)
when solid turns into gas
b)
when gas turns into plasma
c)
when liquid turns into gas
d)
when gas turns into solid
40.
A device that bounces sound waves off underwater objects and then records the echoes of these sound waves.
a)
SONAR
b)
RADAR
c)
topographic map
d)
MSCATHY
e)
BURGERZONE
41.
The nutrients in the water help tiny plants called ______________ to grow.
a)
fish
b)
whales
c)
phytoplankton
d)
big water
42.
Phytoplankton are ___.
a)
small plant-like organisms
b)
small animal-like organisms
c)
large animal-like organisms
d)
warm water currents
43.
Zooplankton are ___.
a)
small plant-like organisms
b)
small animal-like organisms
c)
seasweed
d)
large fish
44.
What is the thermocline?
a)
The level of the oceans’ surfaces
b)
An ocean layer that is not very high in salinity.
c)
An ocean layer that is relatively sunlit, and approximately 100 m thick
d)
A transitional ocean layer which is characterized by rapidly decreasing temperatures with depth
45.
What effect does El Nino have on upwelling ?
a)
It allows upwelling.
b)
It stops upwelling.
c)
It has no effect.
46.
What is the average salinity of ocean water?
a)
34-37 PPT
b)
34%
c)
3-7 PPT
d)
2.5 PPT
47.
What is the average depth of the ocean?
a)
34-37 miles
b)
7 miles
c)
2.5 miles
d)
33 miles
48.
A submarine canyon is a canyon that is __ the ocean's surface.
a)
above
b)
below
c)
on top of
d)
next to
49.
Impurities, such as salt, _____ the freezing point of water.
a)
lower
b)
raise
c)
have no effect
d)
stop
50.
Most life in the ocean is near the ___ and in the ___.
a)
bottom, waves
b)
bottom, deep ocean
c)
coast, shallow water
100 %
