WATER – A PRECIOUS WATER – A PRECIOUS RESOURCERESOURCE

WATER POLLUTIONWATER POLLUTION

South View Primary SchoolSouth View Primary SchoolScience elearning 2013 Day 2Science elearning 2013 Day 2

WATERWATERPOLLUTIONPOLLUTION

LITTERING AND DUMPING

OIL SPILL

FERTILISERS

OIL SPILLOIL SPILL

Oil tankers or ships collide

Sea mammals Fish Plants

Birds

OIL SPILL

OTHER CAUSES OF OIL OTHER CAUSES OF OIL SPILLSPILL

Oil tankers are Oil tankers are loading and loading and unloading large unloading large amount of oils.amount of oils.

Waste engine oil Waste engine oil is released from is released from ships.ships.

HOW WILL OIL SPILL HOW WILL OIL SPILL AFFECT MARINE LIFE?AFFECT MARINE LIFE?

BIRDSBIRDS SEA MAMMALSSEA MAMMALS FISHFISH PLANTSPLANTS

DO YOU THINK THEY WILL DO YOU THINK THEY WILL DIE? WHY?DIE? WHY?

FEATHERS

FUR

OXYGEN/ WATER

AIM OF EXPERIMENTAIM OF EXPERIMENT

TO OBSERVE WHAT WILL HAPPEN TO TO OBSERVE WHAT WILL HAPPEN TO FEATHER IN POND WATERFEATHER IN POND WATER

TO OBSERVE WHAT WILL HAPPEN TO TO OBSERVE WHAT WILL HAPPEN TO FEATHER IN POND WATER FEATHER IN POND WATER WITH SOAPWITH SOAP

TO OBSERVE WHAT WILL HAPPEN TO TO OBSERVE WHAT WILL HAPPEN TO FEATHER IN POND WATER FEATHER IN POND WATER WITH OILWITH OIL

CLEAN POND CLEAN POND WATER (A)WATER (A)

SOAPY POND SOAPY POND WATER (B)WATER (B)

OILY POND OILY POND WATER ( C)WATER ( C)

Feather is wet Feather is wet but dries easily.but dries easily.

Feather Feather becomes wet.becomes wet.

Feather clumps Feather clumps slightly.slightly.

Feather Feather becomes very becomes very wet.wet.

Feather clumps Feather clumps tightly together.tightly together.

RESULTS OF THE EXPERIMENT

BIRDS

FEATHERS WILL CLUMP TOGETHER

OIL SPILL

Unable to fly/swim

Freeze Take in oil when they clean themselves

WHAT WILL HAPPEN TO WHAT WILL HAPPEN TO THE BIRDS THEN?THE BIRDS THEN?

EFFECTS ON EFFECTS ON BIRDS IN (A)BIRDS IN (A)

EFFECTS ON EFFECTS ON BIRDS IN (B)BIRDS IN (B)

EFFECTS ON EFFECTS ON BIRDS IN (C )BIRDS IN (C )

Birds can flyBirds can fly

Birds can Birds can keep warmkeep warm

Birds will have Birds will have slight difficulty slight difficulty in flying.in flying.

Birds will find Birds will find it a little it a little difficult to difficult to keep warmkeep warm

Birds will not be Birds will not be able to fly at all.able to fly at all.

Birds cannot Birds cannot keep warm and keep warm and can freeze to can freeze to death.death.

SEA MAMMALS

Fur will clump together

Eats contaminated

fishTakes in oil when they

clean themselves

FISH

Oxygen from dissolving in water

Damages/clogsgills when it is taken in by

fish

OILprevents

PLANTS

CLEAN POND WATER OILY POND WATERSOAPY POND WATER

DUCKWEEDS

Assignment: To find out the effect of pollutants in pond water on the growth of duckweeds. Write out the experimental procedures for the above set ups.

Step1. ___________________Step2. ___________________Step3. ___________________etc….

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