
Understanding Salinity
Interactive Video
•
Science, Biology, Chemistry
•
6th - 10th Grade
•
Practice Problem
•
Hard
Sophia Harris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary method used to measure salinity in water?
Using a pH meter
Using a thermometer
Measuring electrical conductivity
Weighing the salt content
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which unit was historically used to express salinity?
Parts per million
Parts per thousand
Milligrams per liter
Grams per liter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the practical salinity scale used for?
Calculating salinity without units
Measuring temperature
Determining water density
Measuring water clarity
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the average salinity of the global ocean?
25
30
35
40
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a factor that controls salinity?
Evaporation
Precipitation
River runoff
Wind speed
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What term is used for salinity levels higher than the average ocean salinity?
Hyper saline
Brackish
Oligohaline
Polyhaline
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which term describes water with lower-than-average salinity?
Hyper saline
Brackish
Medically
Brine
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