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WorksheetsWater Quality and Conservation Quiz
Total questions: 50
Worksheet time: 37mins
……………….. water is fit for human consumption.
Sea
Ocean
Fresh
Salt
Which out of the following is a source of fresh water?
Sea
River
Ocean
All the above
When water is heated in the ocean by the sun and turns into water vapor
Condensation
Evaporation
Transpiration
After condensation, the droplets of water in the clouds fall to Earth in different forms...
precipitation
condensation
evaporation
What percentage of the earth is water?
50%
60%
71%
80%
A scientist studies a sample of swamp water. She finds that there are many dead plants and fish in the water. ________ in the water could be the main cause of this.
oxygen
litter and pollution
mud and silt
pebbles and sand
what is the main cause of water pollution?
invasive species
animals
plants and insects
human impact and decision making
What percentage of the earth's water is salt water?
3%
25%
71%
96.5%
When water is used to irrigate crops, water is considered an important aspect of ______.
fishing
agriculture
trucking
business
Which human activities promote the quality of water?
How can we help prevent water pollution? (There is more than one answer.)
Use less detergents
Do not pour grease down the drain
Allow farm waste to wash off into the lakes.
Use less fertilizers on yards and crops
Often water must be treated to become _______, safe to drink
pathogen
potable
clarified
bonifide
Which of the following is NOT a residential use of water>
cooking and drinking
washing dishes and clothes
washing cars and watering the lawn
watering the crops
showers and toilets
While expensive and inefficient now, the removal of salt from ocean water may help create more potable water in the future
water transport
towing icebergs
desalination plants
xeriscaping
Only ______ percent of water on the earth is fresh water.
97%
3%
0.7%
0.3%
Name one country that is vulnerable in terms of water availability
What does Dissolved Oxygen mean?
How much acid is in the water
How cold the water is
DO
How much oxygen is in the water
pH is the measurement of
how acidic or basic a solution is.
just the acidity of a solution.
how acidic or basic the atmosphere is.
Non of the above.
A watershed is
just the Colville river or just the Columbia river.
an area of land that drains all the streams and rainfall to a common outlet such as the outflow of a reservoir, mouth of a bay, or any point along a stream channel.
not usually impacted by humans.
a small building that contains a water pump.
pH greater than 7 is considered to be
neutral.
basic.
acidic.
polluted.
pH value of less than 7 is considered to be
polluted.
basic.
like drain cleaner.
acidic.
What is water quality?
It describes the condition of the water
It is the continuous movement of water on, above, and below the surface of the Earth
It is the property of containing salt
It is the total amount of suspended solids.
What is salinity?
The property of containing salt
The amount of suspended solids
Describes the condition of the water
Describes how acidic or basic water is
What is dissolved oxygen?
The property of containing salt
The amount of suspended solids
The measure of the amount of oxygen that is dissolved
Describes how acidic or basic water is
Where are nitrates and phosphates found?
Fertilizer
Manure
Detergent
All of the above
Why are too many nutrients (like nitrates and phosphates) bad for our waters?
Nutrients decrease the pH of the water, causing it to become increasingly acidic
Nutrients change the salinity of the water
Wetlands filter out runoff that may contain nutrients
Nutrients in the water cause too much algae growth, which decrease the level of oxygen in the water
What is pH?
The property of containing salt
The measure of the amount of oxygen that is dissolved in water
The amount of suspended solids in water
The measurement of the acidity or basicity of water
Which glass contains water with high turbidity?
Glass 1
Glass 2
Which glass has the highest salinity?
The left one
The middle one
The right one
……………….. water is fit for human consumption.
Sea
Ocean
Fresh
Salt
Which out of the following is a source of fresh water?
Sea
River
Ocean
All the above
A scientist studies a sample of swamp water. She finds that there are many dead plants and fish in the water. ________ in the water could be the main cause of this.
oxygen
litter and pollution
mud and silt
pebbles and sand
what is the main cause of water pollution?
invasive species
animals
plants and insects
human impact and decision making
Which human activities promote the quality of water?
How can we help prevent water pollution? (There is more than one answer.)
Use less detergents
Do not pour grease down the drain
Allow farm waste to wash off into the lakes.
Use less fertilizers on yards and crops
Often water must be treated to become _______, safe to drink
pathogen
potable
clarified
bonifide
While expensive and inefficient now, the removal of salt from ocean water may help create more potable water in the future
water transport
towing icebergs
desalination plants
xeriscaping
Only ______ percent of water on the earth is fresh water.
97%
3%
0.7%
0.3%
Name one country that is vulnerable in terms of water availability
pH value of less than 7 is considered to be
polluted.
basic.
like drain cleaner.
acidic.
pH greater than 7 is considered to be
neutral.
basic.
acidic.
polluted.
Why does pure water have a pH of 7?
There is no such thing as pure water.
Because pH scale is 0 to 14.
Because water contains the equal amounts of hydrogen and hydroxide ions.
Pure water does not have a pH of 7.
