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Properties of Water

Authored by Angelica Mitchum

Science, Chemistry

6th - 10th Grade

Used 11+ times

Properties of Water
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What word describes when water is attracted to other substances?

cohesion
adhesion
capillary action
surface tension

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule are called

Covalent bonds
Ionic bonds
Polar bonds
Hydrogen bonds

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does ice float?

As water freezes, it expands and its density decreases.
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which end of the water molecule has a slightly positive charge?

the oxygen end
the hydrogen end
both ends are slightly positive
neither end is positive

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Water is a universal solvent because it...

It can be found anywhere
It freezes when it gets cold
floats when frozen
Dissolves most substances

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is LEAST likely to dissolve in water?

nonpolar fats and oils
polar sugar molecules
salt made of a positive sodium ion and a negative chloride ion
all of the substances will dissolve easily in water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

 Small insects can walk across the surface of calm water. Their feet push the surface of the water down slightly, somewhat like a person walking across a trampoline, but they do not break the surface. What is the best explanation for why this happens?

The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together
The insects actually use their wings to hover slightly above the water's surface and they only skim it with their feet
The insects' feet are non-polar, so they are repelled by the polar water molecules and are pushed away from the water's surface
The insects are small enough to see the individual water molecules, so they are able to step carefully from one molecule to the next

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