Water Quality Review
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the pH scale?
Back
The pH scale measures how acidic or basic a solution is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.
2.
FLASHCARD QUESTION
Front
What pH value is considered toxic to aquatic organisms?
Back
A pH value of 5 is considered toxic to aquatic organisms.
3.
FLASHCARD QUESTION
Front
How does acid rain affect water bodies?
Back
Acid rain decreases the pH of streams and lakes, making them more acidic.
4.
FLASHCARD QUESTION
Front
What does high turbidity in water indicate?
Back
High turbidity often indicates a high number of contaminants in the water.
5.
FLASHCARD QUESTION
Front
Why is pH important for aquatic life?
Back
Variations in pH can indicate the presence of toxic substances, affecting the health of aquatic organisms.
6.
FLASHCARD QUESTION
Front
What happens to fish when dissolved oxygen is low and temperature is high?
Back
Large numbers of fish are likely to die under these conditions due to stress and inability to breathe.
7.
FLASHCARD QUESTION
Front
What is turbidity?
Back
Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles.
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