Drinking Water

How does water treatment improve water quality

• makes it safe
• makes it taste sweet
• removes wanted substances
• adds vitamins and nutrients

What is not a source of drinking water

• river
• lake
• reservoir
• ditch

Most water needs ______________ before it is drinkable

• treatment
• sugar
• salt
• flavor

color smell and taste effect the water

• quality
• price
• freezing point
• boiling point

If you are measuring the pH of the water, you are measuring its

• acidity
• temperature
• cost
• flavor

Normal acidity of water is a pH of

• 7
• 5
• 1
• 17

the lower the pH number they more _____________ the water is.

• acidic
• basic

an acidity of 1 would be just as dangerous as a base of

• 14
• 2
• 7
• 8

The level of the minerals calcium and magnesium are measured as

• hardness
• saltiness
• sulfur
• acidity

what term describes the amount of one substance dissolved in another?

• concentration
• strength
• variation
• stuff