

Ocean Currents
Presentation
•
Science
•
7th Grade
•
Medium
+2
Standards-aligned
Erika Bocchino
Used 348+ times
FREE Resource
4 Slides • 17 Questions
1
Ocean Currents

2
Current
A stream of steady moving water within a larger body of water
*40 main currents in ocean
3
Gulf Stream
* In Atlantic Ocean - from America to England
* 15 times faster than other currents
* Can travel 100 miles a day
* Strong steady current
4
Gyre
A group (loop) of currents that circle through the seas
5 great ones in the oceans
5
Multiple Choice
motion of the ocean created by wind patterns
waves
currents
tides
6
Multiple Choice
Why are ocean currents important?
ocean currents allow people to sail around the world
ocean currents move the continents from one place to another
ocean currents move heat energy from the equator to the poles
Ocean currents affect the rotation of the Earth
7
Multiple Choice
If you were floating in a raft in the Gulf Stream, you and the raft would________________.
not move with the water
move back and forth
move with the current
move in a circular motion
8
Multiple Choice
Movements of ocean water in a continuous flow are called?
ocean currents
air masses
global winds
front
9
Multiple Choice
As you go deeper in the ocean, the water is colder and less salty.
true
false
10
Multiple Choice
Where is ocean water the densest.
the surface
the middle
the bottom
11
Multiple Choice
What do we call the constantly moving system of deep-ocean circulation driven by differences in temperature and salinity?
California Current
Surface Currents
Gulf Stream
Global Conveyor Belt
12
Multiple Choice
What are a circular system of currents in the Earth's major oceans?
ocean currents
upwellings
Gyres
Conveyer belt
13
Multiple Choice
Warm ocean currents generally come from
The North Pole
The South Pole
The Equator
Both A and B
14
Multiple Choice
_______ causes the Coriolis Effect
Earth's rotation
gravity
wind
density
15
Multiple Choice
If a material is less dense then water, it will
sink
float
be neutrally buoyant
freese
16
Multiple Choice
What heats the Earth's oceans?
People
Earth's core
The moon
The Sun
17
Multiple Choice
Regular movements of water far below the oceans surface are called
Warm Currents
Deep Currents
Shallow Currents
Surface Currents
18
Multiple Choice
The warm, strong current off the coast of Florida is the
Gulf Stream
California Current
North Equatorial Current
North Equatorial Current
19
Multiple Choice
Surface currents are mainly caused by
The Coriolis Effect
Cold and Warm Water
Convection
Wind
20
Multiple Choice
Upwellings is the movement of deep water towards the surface, what does it bring with it?
microplastics
nutrients
decomposed remains
21
Poll
How do you feel about your understanding of ocean currents
Good
Ok
Bad
Ocean Currents

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