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Water Quality Problems

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

Where does most bacteria in our water supply come from?

a)

People waste (untreated sewage)

b)

Animal waste

c)

Both people waste (untreated sewage) and animal waste

d)

the source cannot be determined

2.

How would a scientist determine that bacteria was present in water?

a)

The sample would turn bright purple.

b)

The sample would turn yellow.

c)

The sample would turn greenish-blue or glow greenish-blue.

d)

There is no way to tell if bacteria is in the water.

3.

True or False: Water does not have to look dirty to be polluted.

a)

True

b)

False

4.

True of False: Birds on Midway Island often ingest (eat) plastic as they try to catch food.

a)

True

b)

False

5.

True or False: Pesticides like DDT cannot be absorbed by plants.

a)

True

b)

False

6.

Where are the most toxins in a food chain?

a)

Producers (plants)

b)

lower level consumers (small animals)

c)

upper level consumers (larger animals)

7.

True or False: Biomagnification is when toxins move up the food chain.

a)

True

b)

False

8.

True or False: Clean water is essential to human health.

a)

True

b)

False

9.

Bioplastic can be...

a)

biobased and biodegradable

b)

biobased or partially biobased and nonbiodegradable

c)

nonrenewable and biodegradable

d)

All of the above

10.

True or False: Microplastics can absorb toxic chemicals making them dangerous if ingested by animals.

a)

True

b)

False

11.

True or False: Microplastics are not dangerous because they can break down inside an animal and disappear.

a)

True

b)

False

12.

Midway Island has so much pollution because...

a)

People vacation there and leave trash behind.

b)

Too many people live on the island so there is too much waste.

c)

Companies dump their waste onto Midway Island.

d)

Trash floats to the island from the Pacific Garbage Patch.

13.

The Pacific Garbage Patch is...

a)

a place in the ocean where people go to throw away their trash.

b)

a place in the ocean that contains millions of pieces of plastic that float from other locations.

c)

a place in the ocean where barges and other boats dump trash.

d)

a place that was created as a way to clean up the ocean.

14.

How long does it take for a plastic water bottle to break down?

a)

4 months

b)

40 years

c)

200 years

d)

450 years

15.

How long does it take for wool socks to break down?

a)

1-5 months

b)

1-5 years

c)

10-50 years

d)

100 years

16.

How long does it take a Styrofoam cup to break down?

a)

5 years

b)

15 years

c)

50 years

d)

500 years

17.

What is a CON to bioplastic?

a)

They use less fossil fuels that conventional plastic.

b)

They are biodegradable and can be composted.

c)

They use more food sources like corn that can impact food prices.

d)

The use less energy to produce.

18.

What is a PRO to bioplastic?

a)

Some are not biodegradable.

b)

Some can damage or interfere with the recycling of regular plastic.

c)

Some are non-toxic.

d)

Some are more expensive than conventional plastic.

19.

Which one is NOT an alternative to conventional plastic?

a)

Using bioplastics

b)

Using a reusable water bottle or container.

c)

Using reusable bags at the grocery store.

d)

All are alternatives to conventional plastic.