Uploaded by Sophie Windsor

Copy of puzzle

advertisement
SC2e.2
Name
1
Water treatment puzzle
Class
Date
Your task is to correctly fill the grid at the bottom of the page using these words and phrases:
aquifers, rivers and lakes
chlorination
distillation
filtration
must not contain dissolved salts
seawater
sedimentation
screening
kills bacteria
Use the information in these cards to help you write each word/phrase in the correct place in the grid.
The first column has the
main physical steps, in
order, for treating fresh
water.
The centre square gives
a piece of information
about water used for
chemical analysis.
The reason for adding
chlorine goes next to the
name of the process.
Distillation produces
fresh water from salty
water, and chlorination is
used to kill bacteria.
Aquifers, rivers and lakes
are sources of fresh
water, and seawater is a
source of salty water.
A chemical treatment of
drinking water is to the
right of the last physical
step in water treatment.
Sedimentation is carried
out before filtration
One of the corners
shows a process that
involves beds of gravel
and sand.
Chlorination is a
chemical step in water
treatment.
The top row contains the
method used to remove
leaves and twigs from
water.
The method needed to
remove salt from water is
directly under a source of
salty water.
One of the boxes in the
middle column shows
sources of fresh water.
Water treatment
© Pearson Education Ltd 2016. Copying permitted for
purchasing institution only. This material is not copyright free.
2
Download
Random flashcards
State Flags

50 Cards Education

Countries of Europe

44 Cards Education

Art History

20 Cards StudyJedi

Sign language alphabet

26 Cards StudyJedi

Create flashcards