
Unit 1 Lesson 2 Exploration 1 Surface Currents
Presentation
•
Science
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6th Grade
•
Practice Problem
•
Medium
Standards-aligned
Carrie Casey
Used 28+ times
FREE Resource
6 Slides • 7 Questions
1
Unit 1 Lesson 2 Exploration 1 Surface Currents
I will be able to explain factors that affect surface currents.
2
Multiple Choice
Why does trash collect in areas called "Garbage Patches" in the ocean?
because the moon causes tides
because deep ocean currents will grab the trash and pull it down
because gyres are like huge whirlpools in the ocean and will draw in trash
because whales will drag the trash into the center of the ocean.
3
The Formation of Surface Currents
The ocean flows in regular patterns called ocean currents. The horizontal movement of water in a regular pattern at the ocean's surface is called a surface current.
4
Multiple Choice
What patterns do you see when comparing the global surface winds with the global surface currents?
in most areas, the winds and the currents move in opposite directions
in most areas, the winds and the currents move in similar directions.
5
Multiple Choice
Choose which diagram represents surface currents.
6
Multiple Choice
Choose which diagram represents surface winds.
7
Factors That Affect Surface Currents
Surface currents are affected by 3 factors: global winds, continents and Earth's rotation.
8
Global Winds
Surface winds cause surface currents by transferring energy to ocean water.
9
Multiple Choice
In the picture the wind energy is being transferred to the...
sun
to the water causing it to move
back to the wind
10
Continental Deflections
When surface currents reach continents, they deflect or change direction.
11
Multiple Choice
What happens to the colored water in the video when it approaches the rocks?
the water goes through the rock
the water washes over the rock
the water moves under the rock
the water is deflected around the rock
12
The Coriolis Effect
Earth's surface currents flow in huge circular patterns called GYRES. One reason for the gyres is the rotation of the Earth.
13
Multiple Choice
In which direction does the Earth rotate?
clockwise
counterclockwise
Unit 1 Lesson 2 Exploration 1 Surface Currents
I will be able to explain factors that affect surface currents.
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