Water Cycle
Water Contaminents
Purifying Water
Acids/Bases
Miscellaneous
100
Water exists on Earth as _____,______,_____
What is solid, liquid, gas
100
What is a solvent and a solute, in the same order for answer to be considered correct.
A solvent is a liquid in which a substance can dissolve and a solute is the substance being dissolved in a solution
100
Name the four steps to filtering water IN ORDER
Coagulation, Sedimentation, Filtration, Disinfection
100
Acids have _____ ions while Bases have ______ ions. List them in order.
Hydrogen, Hydroxide
100
For every increase or decrease of 1 unit on the pH scale, the acidity or basicity of the solution changes _____ times.
10
200
What is Evaporation?
When water turns from liquid to a gas
200
True or False, Insoluble is when a solute dissolves in a solvent.
false
200
Why is Fluoride added to water?
It helps prevent tooth decay/it helps your teeth
200
Strong Acids turn pH paper ____ and Strong Bases turn pH paper _____
Red, Blue
200
A base with the pH of 13 is ___ times stronger of a base than a base with a pH of 12.
10
300
What is Condensation
When water turns from a vapor to a liquid
300
What is concentration? Include an example.
The amount of solute dissolved in a solvent. The more lemonade mix you add to your lemonade, you increase the concentration.
300
Why is chlorine added to water?
To help kill biological contaminants
300
Acids taste ____ while Bases taste _____
Sour, bitter
300
An acid with the pH of 5 is ____ times stronger than an acid than a neutral solution.
100
400
What is precipitation and name 4 examples
When water that has condensed falls to the earth. 4 Examples are: rain, snow, sleet, and hail
400
What does it mean to dilute something?
To add more solvent to a solution (more liquid) Such as adding more water to lemonade, you are diluting it
400
What is a precipitate.
A precipitate is when two solutes interact to form a solid that can be filtered out afterwards
400
Name the one similarity of Acids and Bases.
They both conduct electricity
400
A color change, bubbling, change in odor, formation of a precipitate, and a temperature change is a sign of a ____________
Chemical Reaction
500
A temperature INCREASE is needed for condensation to happen, true or false.
False
500
What type of contamination are these? Fertilizers, Oil, Heavy Metals Dead Batteries
Chemical Contamination
500
What is the name of the whole plant that covers all of these steps. (Hint the word Plant)
A water treatment plant
500
For Acids, pH is ______ , for Bases, pH is ______, And a pH of ____ is considered neutral
Below 7, Above 7, 7
500
BONUS: Both acids and Bases can be ______ (Hint: Starts with 'C'
Corrosive
M
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