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WorksheetsWater Quality Problems
Total questions: 19
Worksheet time: 10mins
Where does most bacteria in our water supply come from?
People waste (untreated sewage)
Animal waste
Both people waste (untreated sewage) and animal waste
the source cannot be determined
How would a scientist determine that bacteria was present in water?
The sample would turn bright purple.
The sample would turn yellow.
The sample would turn greenish-blue or glow greenish-blue.
There is no way to tell if bacteria is in the water.
True or False: Water does not have to look dirty to be polluted.
True
False
True of False: Birds on Midway Island often ingest (eat) plastic as they try to catch food.
True
False
True or False: Pesticides like DDT cannot be absorbed by plants.
True
False
Where are the most toxins in a food chain?
Producers (plants)
lower level consumers (small animals)
upper level consumers (larger animals)
True or False: Biomagnification is when toxins move up the food chain.
True
False
True or False: Clean water is essential to human health.
True
False
Bioplastic can be...
biobased and biodegradable
biobased or partially biobased and nonbiodegradable
nonrenewable and biodegradable
All of the above
True or False: Microplastics can absorb toxic chemicals making them dangerous if ingested by animals.
True
False
True or False: Microplastics are not dangerous because they can break down inside an animal and disappear.
True
False
Midway Island has so much pollution because...
People vacation there and leave trash behind.
Too many people live on the island so there is too much waste.
Companies dump their waste onto Midway Island.
Trash floats to the island from the Pacific Garbage Patch.
The Pacific Garbage Patch is...
a place in the ocean where people go to throw away their trash.
a place in the ocean that contains millions of pieces of plastic that float from other locations.
a place in the ocean where barges and other boats dump trash.
a place that was created as a way to clean up the ocean.
How long does it take for a plastic water bottle to break down?
4 months
40 years
200 years
450 years
How long does it take for wool socks to break down?
1-5 months
1-5 years
10-50 years
100 years
How long does it take a Styrofoam cup to break down?
5 years
15 years
50 years
500 years
What is a CON to bioplastic?
They use less fossil fuels that conventional plastic.
They are biodegradable and can be composted.
They use more food sources like corn that can impact food prices.
The use less energy to produce.
What is a PRO to bioplastic?
Some are not biodegradable.
Some can damage or interfere with the recycling of regular plastic.
Some are non-toxic.
Some are more expensive than conventional plastic.
Which one is NOT an alternative to conventional plastic?
Using bioplastics
Using a reusable water bottle or container.
Using reusable bags at the grocery store.
All are alternatives to conventional plastic.
