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WorksheetsProperties of Water
Total questions: 10
Worksheet time: 5mins
A(n) _______ is a substance with a pH greater than 7.
Base
Acid
Buffer
Water
What is the only substance with a neutral pH of 7?
Milk
Orange Juice
Water
Blood
The amount of salt found in water is -
temperature
salinity
pollution
clarity
What can add dissolved oxygen to sea or lake water?
Photosynthesis
mixing with air from waves and wind
Diffusion from the air above
All of the above
How does low Dissolved Oxygen levels affect organisms?
Organisms may die or have to leave if levels get too low
Organisms go through more cellular respiration
Organisms eat more
The terms basic and acidity refer to what water quality indicator?
pH
dissolved oxygen
turbidity
temperature
What water quality indicator is affected the most by changing water temperature?
bioindicators
nutrients
dissolved oxygen
turbidity
Water plants require carbon, water, sunlight and ________________ just like land plants.
affection
nutrients
ants
wifi
The average speed of a water molecule at room temperature in a glass of liquid water is
590 miles per hour
more than 1000 miles per hour
0 miles per hour
12 feet per minute
