
Ocean Currents and Their Causes
Interactive Video
•
Science
•
6th - 7th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main causes of ocean currents discussed in the lesson?
Only wind and salinity differences
Uneven heating of the Earth, temperature differences, salinity differences, and wind
Only temperature differences and wind
Only salinity differences and uneven heating of the Earth
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the equator receive more direct sunlight than the poles?
The density of sunlight is greater at the equator
The Earth is flat at the equator
The equator is closer to the sun
The poles are covered in ice
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when dyed warm and cold water are placed in room temperature water?
Warm water sinks and cold water floats
Both warm and cold water mix evenly
Both warm and cold water float
Cold water sinks and warm water floats
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is demonstrated by blowing a straw into warm water?
Cold water upwelling
Warm water upwelling
Mixing of warm and cold water
Evaporation of water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the salinity of water tested in the lesson?
By measuring the water's pH level
By tasting the water
By measuring the temperature
By coloring and observing the water's movement
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of freezing and melting saltwater in the lesson?
To observe changes in water color
To measure the temperature of the water
To observe density changes and salinity levels
To create ice sculptures
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main finding from the salinity experiment?
The water surrounding the ice is less salty
The ice is saltier than the surrounding water
The regular seawater is the saltiest
The water surrounding the ice is much saltier and denser
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