WorksheetsMicroplastics
Total questions: 35
Worksheet time: 22mins
Which of the following is not a type of plastic?
polyethylene
polymerase
polyvinyl chlorine (PVC)
nylon
Plastic:
takes hundreds of years to biodegrade
doesn't biodegrade, but breaks into smaller pieces
cannot be effectively recycled
none of the above are true
Pre-production plastic pellets are called:
microplastics
pieces
plastics
nurdles
Microbeads are:
found in personal care items for shine, color, and as fillers
found in household spray cleaners for scrubbing
found in food as a preservative and for flavor
found in all of the above produces
Polyethylene:
is a plastic byproduct that pollutes rivers and streams
is a plastic that we use every day
is a plastic that dissolves in water
all of the above
Microplastics are usually:
1 mm or less
2 mm or less
5 mm or less
10 mm or less
Estimated number of plastic pieces in the ocean
3,000,000
3,000,000,000,000
6,000,000,000,000
6,000,000
How much plastic is in the 5 gyres of the ocean?
185,000 metric tons
268,000 metric tons
335,000 metric ton
408,000 metric tons
466,000 particles/km2 is the abundance of plastic found in:
the Atlantic Ocean
the Pacific Ocean
the Great Lakes
all of the above
In 2015, Congress passed ____ to eliminate microbeads in cosmetics.
The Microplastic Elimination Law
The Microbead-Free Waters Act
The Plastic Pollution Act
The Cosmetic Plastic Law
Water covers _________ of the earth.
30%
40%
60%
70%
What is true of water pollution in the US?
nearly half of our rivers and streams are polluted
nearly half of our lakes are polluted
both of these are true
neither of these are true
80% of ocean pollution originates _________
from spills on the ocean
on land
from human wastewater
all of these combined
Point source water pollution: ______________
is diffused from many sources into the water
originates from one human being
originates from one single source
depends on the type of pollution
Nonpoint source pollution is _______________.
contamination from one source
contamination from many sources
contamination from one person
depends on what the type of pollution is
More than 80% of the worlds wastewater: ________
flows back into nature after being treated and sanitized
flows back into nature untreated
carries live E. coli samples in it
flows directly into the ocean
In the US, wastewater treatment plans process ________ per day.
1 billion gallons of wastewater
16 billion gallons of wastewater
21 billion gallons of wastewater
34 billion gallons of wastewater
Fertilizer runoff includes
nutrient pollution of nitrates and phosphates
extra CO2 entering the water from the atmosphere
overheating water that creates algae blooms
increasing the salinity (saltiness) of water
Which of the following is not an example of surface water?
streams
aquifers
lakes
rivers
Groundwater is ___________
underground water in the spaces between rocks
water above ground like lakes and rivers
wastewater like sewage and human fecal matter
oceans
Transboundary pollution is:
always an example of radioactive pollution
pollution from one country spilling into the waters of another
when oil leeches into ground water and gets into wells
when fertilizers spill into reservoirs and contaminate them
An example of nonpoint source pollution is: ________
a manufacturer dumping waste into a river
a car leaking oil into groundwater
plastic blowing into rivers and oceans
all of these are nonpoint source pollution
On which kind of day would you expect the most evaporation from the surface of a pond?
sunny and hot
sunny and cold
rainy and hot
rainy and cold
Which of the following is not a water pollutant?
radioactive materials
pathogens
contaminants
precipitation
