Thames & Kosmos Global Water Quality handleiding

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Handleiding

More Tests!

Repeat Experiment 2 with

different filters. Try seeing

what other filters might work

for colored liquids!

You will need:

water-filter

system, filter paper, as well

as: freezer bag, rolling pin or

hammer, activated charcoal

tablets

Put two activated charcoal

tablets in a freezer bag, close

the bag well, and bang

carefully on the tablets

until they have been

broken into

large pieces.

Be careful not to turn

them into powder!

Make a little cone

out of the round

filter paper, and place

the cone in the third

column section. Pour

the activated charcoal

pieces into the cone.

Tip: Activated Charcoal

You may have some charcoal

tablets from the drug store or

activated charcoal granules from

an aquarium store.

Ask your parents to help you with

this experiment.

Dear Parents,

Even though activated

charcoal is not dangerous,

it is advisable for you

to provide assistance

to the child who will be

performing this experiment.

Only give your child the

required amount, and keep

the rest of the package

locked away so it doesn’t

get into the hands or

mouths of young children

or pets.

Please take note of the

information provided by the

manufacturer.

Global Water Quality Manual 2013.indd 6 2/7/13 10:22 AM

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