Another way to show that water
pressure increases with depth
Water pressure is the same
in all directions
Punch holes around the base
of a tall tin can with a nail.
Cover the holes as above with
a strip of tape. Fill the can
with water and strip off the
tape while holding it over a
sink. Observe and compare
the distance the streams
shoot out from the holes all
around the can.
Find a tall tin can. Punch holes up the
side of the can about 3 cm apart. Put a
strip of adhesive or plastic tape over the
row of holes and fill the can with water
above the top hole. Hold the can over a
sink and strip the tape from the holes
beginning at the bottom. Observe the
streams and note the distances travelled
outwards from the can.