Today Monday 9/14/15 you will…
1. Explain why the special properties of water make it
essential for life.
2. Predict the effect of pH
You need
1. ISN
2. Something to write with
3. FBI- Water Properties
Bell Work
•
•
•
•
Glue water FBI to the TOP of ISN page 20
Glue Water POGIL to ISN pg 21
Glue Graphing Practice to ISN pg 14
Water Concept Map= Study Guide
Reminders
• You have a Mini-Summative on water
properties tomorrow!!
• Lab reports are due by the end of the day on
tomorrow
Did you know?
Polarity
Universal Solvent
Cohesion
Surface Tension
Adhesion
Capillary Action
Density
High Specific
Heat
The oxygen end has a - charge
The hydrogen end has a + charge.
Polarity
Water is an excellent Solvent
Ex. Kool-aid
Universal Solvent
Kool-aid Mix + Water = Oh Yeah!
Cohesion
Surface Tension
Adhesion
Capillary Action
Solute + Solvent = Solution
Density
material added
Liquid that items
Liquid that all
to the liquid that
are added to
materials are
High Specific will dissolve (The
(The Larger
distributed
smaller amount)
amount)
equally
Heat
Polarity
Water is attracted to itself
Universal Solvent
Cohesion
Surface Tension
Adhesion
Capillary Action
Density
High Specific
Heat
+ +
-
Cohesion is the
attraction of
molecules
of the same
substance
Polarity
Cohesion at work
Universal Solvent
Cohesion
Surface Tension
Adhesion
Capillary Action
Density
High Specific
Heat
Water attraction (cohesion) forms
a thin ‘skin’ barrier on surface.
Polarity
Universal Solvent
Cohesion
Surface Tension
Adhesion
Capillary Action
Density
High Specific
Heat
Attraction of water to other
materials
Ex. Water sticking to a glass, Water droplets on
a car, water droplets on a window or wall
Polarity
Universal Solvent
Cohesion
Surface Tension
Adhesion
Capillary Action
Density
High Specific
Heat
Adhesion and cohesion
together
cause
water to move
against gravity
This is how water
moves up plant’s
stems!
Polarity
Universal Solvent
Cohesion
Surface Tension
Adhesion
Capillary Action
Density
High specific
Heat
1. Water EXPANDS upon
freezing 
2. making it less dense
3. so it FLOATS!
Hydrogen Bond Water…
•
•
Cohesion
Surface Tension •
•
Adhesion
Universal Solvent
Absorbs heat slowly
Retains heat / Energy Longer
maintains temp. of Earth
maintains temp. of Organisms
Capillary Action
Density
High specific Heat
Homeostasis
Energy Storage
High Specific Heat:
High Heat Capacity
A.
absorbs a lot of
heat before it is
affected
Water
A. Why do we care?
– HOMEOSTASIS!!! 
maintaining internal
stability/balance
–
Maintains temp. of earth
Importance of Specific Heat capacity
1.Helps in regulating temperatures in a pond:
A. Fish stay “happy” because the heat
capacity means the temp. of the
pond will stay relatively the same
from day to night.
2.This same concept can be expanded to a world-wide scale.
A. Oceans & lakes help regulate the temperature ranges…
1) Water near cities, take longer to heat up & longer
to cool, so cities near the oceans will tend to have
less change & less extreme temps than inland
2) Midwest states, such as Nebraska, will have colder
winters & hotter summers than cities on coast!
Properties of Water
Video Clip
Great Review of Water Properties
https://www.youtube.com/watch?v=aVmU3CL
xvgU
Water Quiz -
Question 1
1. Name The property:
I washed my car yesterday. When I finished
rinsing it off, it still looked wet and there
were all these droplets of water stuck to my
car. Even on the windshield that is sloped.
Water Quiz -
Question 2
3. Water is considered ___________ because it has
a positive and negative end.
Water Quiz -
Question 3
4. When water is attracted to itself, like forming a
droplet.
Water Quiz -
Question 4
5. A solution is made of what two items
__________ + ____________ = solution
Water Quiz -
Question 5
7. What property is described?
I saw a bug walking across the water! He didn’t
sink through, and it looked like the water bent
underneath it.
Water Quiz - Question 6
8. Areas of land along a large lake or an ocean,
seem cooler than other areas near them. What
property of water proves this to be true?
Water Quiz - Question 7
9. What type of bonding occurs between hydrogen
atoms and other types of atoms?
Water Quiz - Question 8
10. What property of water is described?
I put blue food coloring in my vase of roses. 2
days later my roses turned purple!
Water FBI -Top of ISN pg 20
• Complete the table checking ALL properties that apply
Polarity
Water climbs on paper with tip in
water
Water drops mound when piled on a
penny
Ice floats on a pond
A bug walks across your pool and a
needle floats
Water doesn’t mix with oil
Water boils at 212F (100C)
Water can travel from roots to tops of
tallest tree
Animals can cool themselves by
sweating or panting
Two water drops placed next to each
other “merge” into one big drop
Water dissolves polar substances, like
salt
Meniscus forms in measuring cup of
water
Warmer by the ocean at night during
the winter
Cohesion
Adhesion
High Specific
Heat
Solubility
Density
Surface
Tension
A small change in pH makes a HUGE difference
Basic
Copy pH
scale onto
the bottom
of
ISN pg 20