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Properties Of Water
Test Description: Water is an amazing substance!! How much do you know about the water all around you?
Instructions: Answer all questions to get your test result.
1) Type of bond created by the weak attraction of a slightly positive hydrogen atom of one water molecule to a slightly negative portion of the oxygen atom of another water molecule.
A
polar
B
adhesion
C
cohesion
D
hydrogen bond
2) One of water's properties is that water is cohesive, this results in water being attracted to
A
other non polar things
B
other polar things
C
hydrophobic surfaces
D
other water molecules
3) Because water is made of molecules in which opposite ends have opposite electric charges, water is considered to be
A
polar
B
magical
C
non polar
D
universal solvent
4) Why does ice float?
A
As water freezes, it contracts and its density increases.
B
As water freezes, it expands and its density decreases.
C
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
5) Because water has a high heat capacity
A
Water heats up slowly and cools off slowly helping regulate Earth's temperature and climate
B
Water heats up quickly and cools off quickly helping to regulate Earth's temperature and climate
C
Earth experiences wide temperature swings from day time to night time
6) A water strider can skate along the top of a pond because:
A
low surface tension of water
B
surface tension caused by cohesion of water molecules
C
water striders have adapted to take advantage of water adhesion
7) Oil and water will not mix because the oil is
A
hydrophilic
B
hydrophobic
C
it dissolves
D
hydrophobic
8) More things will dissovle in water than any other substance on Earth, because of this water is known as the
A
universal solvent
B
most best, huge, dissolver that the world has ever seen.
C
Dissolvenator
D
intercontinental solvent
9) Which of the following is true about water
A
exists on Earth in all 3 states of matter
B
will sink in liquid water when in its solid form
C
freezes at 100 degrees Celcius
D
melts at 32 degrees Celcius
10) Water will stick to other stuff like glass because of this property
A
surface tension
B
rehesion
C
cohesion
D
adhesion
*select an answer for all questions
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