
How Do Ocean Currents Occur?
Presentation
•
Science
•
6th Grade
•
Hard
Standards-aligned
ERICK SWALLOWS
Used 18+ times
FREE Resource
11 Slides • 5 Questions
1
How Do Ocean Currents Occur?
Go Blue Knights!
2
CLT: Blue knights will gather evidence to justify that oceanic convection currents are caused by the sun’s transfer of heat energy and differences in salt concentration.
3
Warm up Time!
We will review the plots from last class and then answer some questions.
4
5
Multiple Choice
Describe the path that the toys might have taken?
The toys were likely swept toward Alaska where plot 3 occured and began traveling around the ocean current.
The toys were likely moved to plot 8 first where they began traveling around the ocean current.
The toys were likely moved to plot 9 first where they began traveling around the ocean current.
6
Multiple Choice
How did the toys move from the middle of the North Pacific Ocean to the beaches of alaska?
Conduction
Ocean Currents "gyre' (Convection)
Radiation
Waves
7
Open Ended
Compare the paths the ducks took to the ocean currents on your map. What patterns do you see?
8
Multiple Choice
Which 3 currents represent cold water currents because they begin where the ocean receives little sunlight.
1,2 and 3
3,4 and 5
1, 3 and 4
2, 3 and 4
5, 4 and 2
9
Let's Learn Something Interesting!
What is albedo?
10
Read this info carfully :)
11
Multiple Choice
Which statement about the albedo of ocean water and sea ice in the summer is correct?
The low albedo of ocean water means the heated water will sink and formocean currents.
The albedo of sea ice is lower than the albedo of ocean water, leading to the melting of sea ice.
Sea ice absorbs less radiation, making it warmer than ocean water.
Ocean water absorbs more radiation and is warmer than sea ice.
12
Now let's learn how ocean currents occur
Sun's Energy and Salt
13
Open the "How Do Ocean Currents Occur? Worksheet" found on the Canvas Page.
You will fill in the blanks as you watch the video on the next slide.
14
15
Small Poster on https://canvas.apps.chrome/
See the instructions for this on the on the Canvas page.
16
Save your work as an image. Then upload your poster to Canvas.
There is a link to turn the assignment on today's Canvas page.
How Do Ocean Currents Occur?
Go Blue Knights!
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