1. Acid water dissolves copper from pipes
bacteria
disinfectant 2
Stain clothes Fe
Acid water dissolves copper from pipes
none
Trace amount
positive
copper
spots
scale
bathtub
soft
hard

2. red
orange
yellow
green
blue
indigo
violet
pH = 7

4. It corrodes/eats away the pipe It can build up & clog the pipes7
It corrodes/eats away the pipe
It clogs up pipes
Calcium & magnesium
It can build up & clog the pipes
Through copper pipes
Through iron pipes

5. 70% 97% 2% H H 2 H= Hydrogen 1 O= Oxygen
The Egyptians
Boiling it over a fire
Heating it in the sun
Dipping a heated piece of iron into it
d. Filtering boiling water through sand & gravel
70%
97% 2%
Less than 1% H H
2 H= Hydrogen 1 O= Oxygen O

6. billions
solid
liquid
gas
212
100 32 d g f i h c a e b

7. condensation
Water vapor
precipitation
evaporation
Surface runoff
Ground water
Belgium

8. Intake mixing coagulation sedimentation filtration storage
Chemical
addition
mixing
coagulation
sedimentation
filtration
storage
distribution
disinfection

9. Keep showers to 5 min. or less f. Check for leaky faucets
$1.50
The moon
83%
70%
80%
Keep showers to 5 min. or less
Don’t let the sink run, keep some cold water in
the frig.
Use a broom to clean your driveway, garage, or
sidewalk; not the hose.
d. Use a bucket of water to clean your bike/car & rinse
quickly with a hose.
e. Water your lawn in the morning or evening to
avoid evaporation.
f. Check for leaky faucets

10. Milk in cereal Syrup on pancakes Ocean water washing on the beach
Permeability – how easily a liquid can move through a ground material.
Porosity – how much of a rock is open space

11. A water source under the ground
Stops the flow of water under the ground

12. 10 parts dye to 90 parts water
10:90 ratio
5:45 ratio
10 parts dye to 90 parts water

13. Yes, because it was transferred from the previous cups
1/10
1/100
1/1,000
1/10,000
1/100,000
1/1,000,000
1/10,000,000
1/100,000,000
1/1,000,000,000
Yes, because it was transferred from the previous cups
Evaporate the water and see if there is any
residue left behind