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Properties Of Water
Test Description: Properties of water review
Instructions: Answer all questions to get your test result.
1) A water molecule is made up of
A
two oxygen atoms bonded to two hydrogen atoms
B
two hydrogen atoms bonded to an oxygen atom
C
two hydrogen atoms bonded together
D
two oxygen atoms bonded to one hydrogen atom
2) Because water is a polar molecule
A
it can be attracted using magnets
B
most of the water on earth is found at the North and South Poles.
C
water molecules tend to stick together
D
it falls as sleet or snow when the temperature is cold
3) Tightness across the surface of water that is caused by polar molecules pulling on each other.
A
condensation
B
specific heat
C
surface tension
D
capillary action
4) Water is called the universal solvent because
A
it dissolves so many different substances
B
it exists in all three states on Earth
C
its frozen form floats on its liquid form
D
it can cling to the fibers of paper and cloth.
5) The property which allows plants to move water from their roots to their leaves is
A
adhesion
B
surface tension
C
capillary action
D
specific heat
6) In which phase of matter are the molecules packed close together and barely moving?
A
gas
B
solid
C
plasma
D
liquid
7) Water cannot dissolve wax because
A
wax has covalent bonds
B
wax has ionic bonds
C
wax is a polar molecule
D
wax is a non-polar molecule
8) Water sticks to the sides of a glass. This is an example of
A
adhesion
B
cohesion
C
specific heat
D
capillary action
9) The ability of water molecules to stick to each other is called
A
cohesion
B
adhesion
C
specific heat
D
capillary action
10) Water has so many unique properties because water is
A
a liquid molecule
B
a diatomic molecule
C
a polar molecule
D
an ionic bond
11) It's been 80 degrees outside for a week. Billy Bob jumps into his pool and realizes that the water is freezing. Why is the water still freezing while the air temperature is hot?
A
Water has a high specific heat.
B
Water has a high surface tension.
C
Water has a low specific heat.
D
Water is the universal solvent.
12) Insects can walk on top of a lake due to water's high
A
surface tension
B
capillary action
C
specific heat
D
ability to dissolve other substances
13) Which statement below best describes the charges on a water molecule?
A
Both the hydrogen and oxygen ends have negative charges.
B
The oxygen end has a negative charge while the hydrogen end has a positive charge.
C
The hydrogen end has a negative charge while the oxygen end has a positive charge.
D
Both the oxygen and hydrogen ends have a positive charge.
14) What type of bonds occur between water molecules?
A
ionic bonds
B
hydrogen bonds
C
covalent bonds
D
water bonds
15) When you measure how fast the molecules of a substance are moving, you are measuring
A
move faster and get closer together
B
move slower and spread farther apart
C
move slower and get closer together
D
move faster and get farther apart
16) When you add heat to water, the molecules begin to
A
density
B
temperature
C
cohesion
D
barometric pressure
17) The phase of matter in which the molecules are spread apart and moving fast.
A
gas
B
plasma
C
liquid
D
solid
18) The phase of matter where the molecules are spread very far apart and are moving very fast.
A
gas
B
solid
C
liquid
D
plasma
19) The ability of water molecules to stick to other substances.
A
universal solvent
B
high specific heat
C
cohesion
D
adhesion
*select an answer for all questions
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