Download Tuesday 13th May 2014 What is eutrophication?

What is eutrophication?
Match up the chemical with the use:
Fertiliser
Kills any weeds in the area so the plant
can grow without competing for water.
Herbicide
Provides a source of nutrients to help
the plant grow.
Pesticide/
insecticide
Kills insects that might feed on the
plant and damage its growth and
appearance.
The problem with
farmers using
these chemicals
Fertilisers are washed
off the land by rain and
end up in ponds or rivers
Water plants
grow rapidly
Water plants
prevent light
reaching the
plants at the
bottom
Bacteria use up
all oxygen in
water. Other
pond life dies
Bottom plants
die and are
decomposed
by bacteria
Choose your own task!
Write a letter
to a farmer
explaining the
effect their
chemicals are
having on the
nearby lake.
Produce a
story
board/comic
strip
explaining the
process of
eutrophication
Write a news
article on how
eutrophication
is effecting the
environment
and what
could be done
to prevent the
damage.
Write a letter to a farmer
• Explain to the farmer what effect the
fertilizers they are using on their crops
are having on the nearby lake.
• Describe what is eutrophication?
• Empathise with the farmer by explaining
why you think they need to use the
fertilizers.
The process of eutrophication
Eutrophication news article
• Explain how eutrophication has become a
major problem for the environment now.
• Give a example of the effects of
eutrophication.
• Explain how the increasing population has
lead to farmers using more fertilizers.
• Suggest a way we can reduce the damage
on the environment.