1. Place some ground coffee
in a coffee filter or filter paper
in a funnel.
2. Positon this on the top of a clear
3. Slowly pPour some warm water
over the ground coffee (be sure to
hold the filter paper in place).
1. Now try filtering the berries
by using a colander.
2. Run tap water over the berries
to filter the dirt from the fruit.
1. Now try filtering dust from
your breath by raking over dry dirt
while wearing a dusk mask.
Filtering is the process
of separating a liquid and a solid.
Filtered coffee machines filter the
ground coffee by letting the black
coffee solution through.
Doctors wear operating masks to prevent
the germs from their mouths to get
inside the patient while allowing
air to pass through.
A dust mask filters tiny bits of
paint to stop them from getting into
the lungs yet air can get through.
A colander is used as a filtering
device allowing the water to run off
the berries being rinsed.