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Water quiz

Now that you have found out more about water pollution, try our quiz and see if you are a water pollution expert! Join the fun with the students at Drawbridge River. Some students will investigate their local stream, others will find out about ground water and at the end of term, with all the hard work done, their teacher Ms Portlock will take them to the beach after students find out about Beach Report.

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1. Jenny Mikic is a Year 8 student and her school is close to a stream. Her class has been completing different water tests at the local stream and will write a report on this from class results. Her group has been asked to complete physical testing of the water. Which test from the list should she do?

pH
turbidity
dissolved oxygen test
salinity

2. Jason Richards is in another group and his role is to complete biological tests. From his research he knows that it is useful to observe aquatic microinvertebrates. One of the group members has written a list. Which animal in the list is NOT a suitable choice for the Biological test?

Snails
Insects
Cats
Worms

3. Jason’s group also has to explore why it is useful to observe these types of animals. Which is the best reason for this?

The animals live in big groups
The animals are visible to the naked eye
The animals do not eat very much food
The animals are brightly coloured

4. Michael Nguyen’s group will complete a list with key words and explanations. Which is the best statement to describe a catchment?

An area of land that drains into a waterway
The best place to catch fish
The area in the river or stream where the water is the deepest
An area of water that you can’t swim in because it is polluted

5. The students have learnt that there are different levels of water quality depending on what you use the water for. Which use would require the cleanest water?

Swimming
Drinking
Bathing your pet
Washing clothes

6. Georgia Dedes’s group will investigate groundwater. Groundwater is best described as:

Water that has fallen on the ground after a lot of rain
Water that exists beneath the land surface
Water found in swimming pools
Water that is polluted

7. It’s the day of the beach trip and it’s a beautiful day. Levels of E.coli are measured in the Beach Report program. E.coli is:

A type of aquatic insect
A type of vegetable that looks like a small broccoli
Pieces of broken up sea shells which can hurt your feet
Bacteria which can indicate faecal contamination

8. EPA Victoria advises that water is 'unacceptable' for swimming when there is more than:

1000 E.coli in 100mL seawater
50 E.coli in 100mL seawater
one million E.coli in 100ml seawater
100 E.coli in 100ml seawater

9. Where does most of the E.coli come from?

Animals in the water
Bird droppings and rotting seaweed
Stormwater runoff
People swimming in the water

10. What happens if the E.Coli sampling results are unacceptable?

The beach is closed immediately
You are allowed to swim before 11am and after 3pm
Only adults are allowed to go in the water
EPA Victoria conducts immediate follow-up testing and if this is still too high then the EPA Victoria recommends against swimming

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