Name 3 unique properties of water.
Which 2 elements are in water?
Answer: It is polar, it exists in all 3
states, and it is the universal solvent.
Answer: hydrogen and oxygen
What is it called when water vapor
turns into a liquid?
Answer: condensation
Why does ice float?
Answer: Ice floats because it is less
dense then liquid water.
Why is water the universal solvent?
Answer: It is the universal solvent
because it dissolves many things.
What makes water the universal
solvent?
Answer: Water is the universal solvent
because it is polar and attracts many
other substances.
Is it adhesion or cohesion that allows
water molecules to stick to each
other?
Answer: cohesion
Is it adhesion or cohesion that allows
water molecules to stick to other
substances?
Answer: Adhesion
Why is water polar?
Answer: Water is polar because it has a
2 positive molecules and 1 negative
molecule that attract to each other.
Does water become less dense or
denser when it is frozen?
Answer: less dense
What charge to hydrogen atoms have
in water?
Answer: positive
What charge to oxygen atoms have in
water?
Answer: negative
Does water expand or shrink when
frozen?
Answer: expand
What is the skin caused by cohesion
called?
Answer: surface tension
Name 3 unique properties of water.
Why do many things dissolve in
water?
Answer: It is polar, it exists in all 3
states, and it is the universal solvent.
Answer: Because water is polar and is
attracted to other stuff.
What 2 things can you do to change
the density of water?
Why will a can of soda burst open if
you freeze it?
Answer: You can heat it or cool it.
Answer: because the water in the soda
expands when it freezes causing the can
to burst.