PROPERTIES OF WATER- SYMS Hicks/Hooks UNIT TEST
A.  
Which diagram below is the correct way to drawa water molecule?
B.
C.
D.
Water molecules are called "polar molecules" because--
G.  they are magnetic
H.  they have a negative end & a positive end
F.  they are made of elements
J.  there are many of them at the North Pole
A. Everything in our universe can be dissolved in water.
C. Most substances will make water dissolve.
B. Many substances will dissolve in water.
D. If you had a lot of water, you could dissolve the         whole universe.
 Water is called the "universal solvent" because --
Between which set of temperatures will water
be in a liquid state?
G.  0oC -100oC
H.  0oF - 30oF
F.  100oC - 200oC
J.  250oF - 350oF
Frozen water floats
in liquid water
because --
A.  Ice is less dense than liquid water.
B.  Ice is more dense than liquid water.
D.  The density of ice and liquid water are equal.
C.  Ice has more mass than liquid water. 
You can float paper clipson water, but not on all liquids because --
G.  water is electromagnetic
H.  water has a high surface tension
F.  water has a high specific heat
J.  water has a strong capillary action
Green celery was placed in water that had been colored
red.  Over time, the leaves of the celery turned red.
This was caused by the ____ of water.
A.  high specific heat
B.  magnetic properties
C.  high surface tension
D.  capillary action
Water molecules stick to each other very well because their ends have opposite electrical charges.The word used to describe this is ____.
G.  cohesive
H.  adhesive
F.  capillary
J.  specific
Water can seep into tiny cracks inrocks, and break the rock apart overtime as the water freezes and melts.
This type of mechanical (physical) weathering happens because -
A.  water has a high surface tension
B.  water has a high specific heat
C.  water expands when frozen
D.  water contracts when frozen
On Earth, water is the only substance that can be found in nature in which state(s)?
F.  solid and liquid
G.  solid, liquid, and gas
H.  a liquid only
J.  liquid and gas
Hint: Don't focus on city names-LOOK where each letter points to.
Which of the 
following 
counties would
most likely have
the mildest 
winters?
A.  Albemarle
C.  Virginia Beach
B.  Halifax
D.  Montgomery
Which part of an atom is indicated by the letter B
in this diagram?
F.  nucleus
G.  neutron
H.  proton
J.  electron
A.  a nucleus
B.  a neutron
C.  a proton
D.  an electron
In this diagram of an atom, the letter D is 
pointing to ____.
Which of these best shows that gold is differentfrom all other elements?
H.  Its presence in rocks
J.  Its color
G.  Its number of protons
F.  It is a solid
How far away is the mailbox from the truck onthe real street?
In the scale model below, five centimeters is equal toone meter.  The mailbox is 2 truck lengthsaway from the model truck.
A. 4 meters
C. 20 meters
B. 10 meters
D.  30 meters
A compound is a molecule made up of atomsfrom at least two elements.
Which of the following is a compound?
A.  Cobalt (Co)
B.  
C.  Methane (CH4)
D.  Sodium (Na)
Hydrogen (H2)
D.  about 97%
A.  about 1%
B.  less than 3% 
C.  about 70%
What percent of Earth is covered in water?
About _____ of Earth's water is salty.
H.  70%
F.  1%
G.  3%
J.  97%
A.  at zoos and farms
B.  in the oceans
C.  frozen
D.  gone
Most of the fresh water on Earth is ____.
What percentage of the water on Earth is 
non-frozen fresh water?
G.  3%
F.  less than 1%
H.  about 70%
J.  97%
Which location on the map would most likelybe the coolest on a summer day?
A.  Charlottesville
C.  Richmond
B.  Hampton
D.  Danville
The chemical formula for water is -
OH
H2O2
H2O
HO
Univeral solvent
Contracts when frozen
Expands when frozen
Poor solvent
Which of the following are properties of water?
This is a "hot spot" question. 
Choose all the correct answers.
Capillary Action
Cat Action
 Surface Tension
Surface Relaxation
Label the indepenent variable and dependent variable
on the chart show.
Drag and drop each item to the correct place
 on the diagram.
Drag and drop each item to the correct place
 on the diagram.
Place the correct temperatures for December in the
correct region of Virginia.
This is a "hot spot" question. 
Choose all the correct answers.
Select all the reason for the attraction 
between the four water molecules.
The Hydrogen atom is repelled by 
the Oxygen Atom.
Hydrogen has a slightly positive charge
Oxygen as a slightly negative charge
Oxygen has a strong negative
charge
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