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WorksheetsWhy do ocean water flow?
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
The movement of deep, cold, nutrient filled water to the surface of the ocean is..
a)
Ocean Current
b)
Upwelling
c)
Deep Currents
d)
Surface Currents
2.
What affects the density of water?
a)
Salt
b)
Temperature
c)
The seasons of the year
d)
Both A and B
3.
Why is upwelling important?
a)
Upwelling regulates ocean temperature
b)
Upwelling provides nutrient rich water that sustains life
c)
Upwelling controls the tides
d)
Upwelling helps sailors to navigate the seas
4.
Two types of ocean currents are
a)
local and global
b)
sea and land
c)
surface and deep
d)
warm and cold
5.
Currents that occur at or near the surface of the ocean are called
a)
Deep Currents
b)
Convection Currents
c)
Surface Currents
d)
Wave Currents
6.
Surface currents are mainly caused by
a)
The Coriolis Effect
b)
Cold and Warm Water
c)
Convection
d)
Wind
7.
Water in the ocean is always
a)
Moving
b)
Still
c)
Warming up
d)
Cooling down
8.
Air moves from _______ pressure to _______ pressure.
a)
Low, High
b)
High, Low
c)
Warm, Cold
d)
Cold, Warm
9.
Upwelling provides _________ for many sea organisms.
a)
Water
b)
Nutrients
c)
Air
d)
Heat
10.
Water + _______ = Currents
a)
wind
b)
heat
c)
light
d)
sound
11.
What are 3 types of ocean currents?
a)
surface current
b)
upwelling
c)
density current
d)
downpour
e)
gyre
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