
Water Quality and Environmental Indicators

Interactive Video
•
Biology, Chemistry, Science
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does electrical conductivity in water primarily measure?
The pH level
The amount of dissolved oxygen
The temperature of the water
The concentration of ions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are salinity and conductivity related in water?
Salinity decreases conductivity
Salinity has no effect on conductivity
Salinity increases conductivity
Salinity and conductivity are unrelated
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does high turbidity in water indicate?
High levels of dissolved oxygen
Presence of suspended particles
Low pH levels
High water temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which instrument is used to measure turbidity?
Conductivity meter
Thermometer
pH meter
Turbidimeter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What pH level is considered neutral for water?
0
4.5
7
9.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a pH level below 4.5 harmful to aquatic life?
It increases salinity
It increases water temperature
It decreases dissolved oxygen
It damages gills and exoskeletons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does dissolved oxygen play in aquatic ecosystems?
It decreases water temperature
It is essential for respiration
It increases water hardness
It is not important
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