Evaporation in
the Dark
Can water evap
orate in the da
rk?
You will need:
• 3 or 4 washc
loths
• water
• dark places,
such as a close
t or
a cupboard
What to do:
1. Soak the wa
shcloths in wate
r.
2. Ring them o
ut so that wate
r
doesn’t drip
from them.
3. Put each on
e in a different
place
away from s
unlight.
4. Check them
twice a day.
Turn the page
to see what
to do next.
11
hat happens.
w
f
o
rd
o
c
re
a
5. Keep
Washcloth 1 in
a closet
Day 1 a.m. Wet
damp
Day 1 p.m. Still
Washcloth 3 in
the refrigerator
Washcloth 2 in
a kitchen drawer
Wet
Wet
p
Still a little dam
Still very wet
Day 2 a.m.
Day 2 p.m.
Day 3 a.m.
Day 3 p.m.
Tell a friend:
s well. Tell your
a
t
n
e
m
ri
e
p
x
e
do this
Ask a friend to
he or she gets
r
e
th
e
h
w
e
se
do. Check to
friend what to
.
the same result
ns,
e right conditio
th
r
e
d
n
u
s,
w
o
ent sh
As this experim
not in sunlight.
’s
it
n
e
h
w
n
e
v
e
s
water evaporate
12