WorksheetsEarth's Waters
Total questions: 46
Worksheet time: 2hrs 18mins
Name
Class
Date
1.
Identify #1
a)
South America
b)
North America
c)
Australia
d)
Asia
2.
Identify #2
a)
South America
b)
North America
c)
Australia
d)
Asia
3.
Identify #3
a)
Europe
b)
North America
c)
South America
d)
Asia
4.
Identify #4
a)
Europe
b)
North America
c)
Africa
d)
Asia
5.
Identify #5
a)
Europe
b)
North America
c)
South America
d)
Asia
6.
Identify #6
a)
Europe
b)
Australia
c)
Antarctica
d)
Asia
7.
Identify #7
a)
Europe
b)
Australia
c)
South America
d)
Asia
8.
Identify A
a)
Atlantic Ocean
b)
Arctic Ocean
c)
Pacific Ocean
d)
Southern Ocean
9.
Identify B
a)
Pacific Ocean
b)
Atlantic Ocean
c)
Indian Ocean
d)
Arctic Ocean
10.
Identify C
a)
Pacific Ocean
b)
Atlantic Ocean
c)
Indian Ocean
d)
Arctic Ocean
11.
Identify D
a)
Pacific Ocean
b)
Southern Ocean
c)
Indian Ocean
d)
Arctic Ocean
12.
Identify E
a)
Pacific Ocean
b)
Atlantic Ocean
c)
Indian Ocean
d)
Arctic Ocean
13.
Identify F
a)
Southern Ocean
b)
Atlantic Ocean
c)
Indian Ocean
d)
Arctic Ocean
14.
What percent of the water on Earth is in the oceans?
a)
70%
b)
2%
c)
97%
d)
1%
15.
How much of Earth's water is freshwater in the form of lakes, rivers, and aquifers?
a)
1%
b)
5%
c)
25%
d)
97%
16.
The two main elements found in ocean water (beyond hydrogen and oxygen) are ___________.
a)
salt and sulfur
b)
chlorine and sulfur
c)
magnesium and salt
d)
chlorine and sodium
17.
Ocean water near the _____________ is warmer due to the Sun's radiation.
a)
equator
b)
river valley
c)
pacific ocean
d)
arctic ocean
18.
An _____________ is a continuous flow of water in a particular direction.
a)
ocean tide
b)
tidal wave
c)
ocean current
d)
tsunami
19.
What creates surface ocean currents?
a)
water cycle
b)
schools of fish
c)
waves
d)
wind
20.
Warm ocean water at the equator travels toward the _______________
a)
bottom of ocean
b)
North and South Poles
c)
beaches
d)
tropical islands
21.
Cold ocean water at the North and South poles travels toward the ________________.
a)
equator
b)
beaches
c)
bottom of ocean
d)
tidal pools
22.
Ocean currents help regulate the __________________ even if an area is hundreds of miles from the coast.
a)
wind conditions
b)
storm clouds
c)
global climate
d)
beach waves
23.
Without _____________ regional temperatures would be more extreme and much of the land would be unusable.
a)
ocean currents
b)
wind
c)
erosion
d)
rivers
24.
The __________ ____________ is a powerful, warm, swift ocean current that flows in the Atlantic Ocean, bringing milder temperatures to Western and Northern Europe.
a)
South Pacific
b)
Equator Rush
c)
Arctic Blast
d)
Gulf Stream
25.
____________ is the measurement of the amount of dissolved salt in water.
a)
gravity
b)
salinity
c)
humidity
d)
temperature
26.
Higher salinity water is more dense, making it easier for objects to float.
a)
True
b)
False
27.
Lower salinity water is less dense, making it harder for objects to float.
a)
True
b)
False
28.
What two factors drive deep ocean currents?
a)
salinity and speed
b)
salinity and temperature
c)
wind and water
d)
nutrients and oxygen
29.
The most dense ocean water has ________ temperatures and _________ salinity.
a)
low, high
b)
high, low
c)
average, average
d)
extreme, low
30.
________________ flow under the surface of the ocean and move nutrients, oxygen, and heat with them.
a)
deep ocean currents
b)
rainbows
c)
tidal pools
d)
coral reefs
31.
__________ occur due to the gravitational attraction of the moon.
a)
Reefs
b)
Currents
c)
Waves
d)
Tides
32.
In this diagram, where would a high tide be experienced?
a)
A only
b)
B only
c)
A and C
d)
B and D
33.
In this diagram, where would a low tide be experienced?
a)
A only
b)
B only
c)
A and C
d)
B and D
34.
What is a way or ways humans impact the environment?
a)
unsustainable fishing
b)
pollution
c)
tourism
d)
all of the above
35.
What are ways that humans depend on the ocean?
a)
food and fish oils
b)
tourism and recreation
c)
mining and oil
d)
all of the above
36.
This occurs when cold water from the deep ocean moves upward.
a)
hot spring
b)
tides
c)
upwelling
d)
density
37.
A ____________ current warms or cools the air above it, influencing the climate of the land near the coast.
a)
surface
b)
deep ocean
c)
tidal
d)
slow
38.
The movement of huge amounts of water between high and low tide is a source of potential energy that can be stored and used for _____________.
a)
fish tanks
b)
cleaning streets
c)
swimming pools
d)
electricity
39.
______________ is the addition of any substance that has a negative effect on water or the living things that depend on water.
a)
Water cycles
b)
Water pollution
c)
Water infiltration
d)
Water evaporation
40.
______________ occurs when a specific source of pollution can be identified.
a)
Point source
b)
Nonpoint source
c)
Random source
d)
Unknown source
41.
______________ occurs when pollution cannot be tied to a specific point of origin.
a)
Point source
b)
Nonpoint source
c)
Random source
d)
Unknown source
42.
A pipe gushing polluted liquids directly into a body of water is an example of _____________.
a)
runoff
b)
nonpoint source pollution
c)
point source pollution
d)
infiltration
43.
Fertilizer sprayed on a farm field that is carried along in runoff that eventually flows into a river is an example of _________________
a)
source point pollution
b)
nonpoint source pollution
c)
random pollution
d)
specific pollution
44.
What are major sources of water pollution?
a)
human wastes
b)
industrial wastes
c)
chemical runoff
d)
all of the above
45.
If ocean water is super cold, how will it effect the density of the water?
a)
the water will be more dense
b)
the water will be less dense
c)
there will be no change to density
46.
What moves warm water to the surface of the ocean and cold water deep into the ocean?
a)
wind
b)
sharks
c)
convection currents
d)
hurricanes
100 %
