2.2 Properties of water copy

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9th - 12th Grade

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Charity Mannix

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18 Slides • 24 Questions

Multiple Choice

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

Multiple Choice

The term that describes the idea the hydrogen atoms of a water molecule has the positive charges and oxygen atom has a negative charge. These charges are opposite which is why the water molecule is able to stay bonded.

Polarity

Surface Tension

Specific Heat

Heat of Vaporization

Multiple Choice

Which statement explains why water molecules stick together?

both sides are negative

one side has a positive charge and the other side has a negative charge

one side has a negative charge adn the other side has a neutral charge

both sides are positive

Multiple Choice

When a molecule has an opposite electrical charge on each end, it is known as what?

cohesion

polar molecule

hydrogen bond

solution

Multiple Choice

True or False: Hydrogen bonds are very weak, which allows for many of the chemical characteristics found in water.

True

False

Multiple Choice

Water has a high specific heat capacity. This means that

it takes a lot of energy to change the temperature of water

water changes temperature very quickly and easily

water temperature doesn't change at all

Multiple Choice

Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?

Water is an acid.

Water is a versatile solvent.

Water has a high heat capacity.

Water acts as a buffer.

Multiple Choice

Why does ice stay at the top of oceans instead of sinking to the bottom?

Ice is colder than liquid water.

Ice is less dense than liquid water.

Ice is more dense than liquid water.

Ice is warmer than liquid water.

Multiple Choice

The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form

less polar

more polar

less dense

more dense

Multiple Choice

What is cohesion?

Water's ability to stick to itself

Water's ability to stick to other substances

The strength of the cohesion of all the water molecules combined

Tape, glue and other adhesives

Multiple Choice

When water molecules stick easily to other water molecules, this is called what?

cohesion

adhesion

solution

polar molecule

Multiple Choice

What word describes when water is attracted to other substances?

cohesion

adhesion

capillary action

surface tension

Multiple Choice

A combination of cohesion & adhesion that allows water to climb tubes

capillary action

surface tension

Multiple Choice

Water is a universal solvent because it...

It can be found anywhere

It freezes when it gets cold

floats when frozen

Dissolves most substances

Multiple Choice

The ability of water molecules to stick to each other, creating surface tension is called:

Cohesion

Adhesion

Insulation

Multiple Choice

The tightness across the surface of water that enables paper clips to float is ____________.

adhesion

capillary action

surface tension

polarity

Multiple Choice

What is cohesion?

The ability of a molecule to "stick" to itself

The ability of a molecule to "stick" to other molecules

Large amounts of energy are required to change the temperature of a substance

A well-organized and efficient team

Multiple Choice

What characteristic is shown in the image?

Polarity

Hydrogen Bonds

Cohesion

Adhesion

Multiple Choice

What property of water allows for water to act as a temperature regulator for the world?

Cohesive Behavior

Expansion Upon Freezing

High Specific Heat

Universal Solvent

Multiple Choice

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.

Multiple Choice

The fact that water can stick to other substances is called:

Adhesion

Cohesion

Insulation

Multiple Choice

The "skin" that forms on water due to cohesion is called

surface tension

capillarity

adhesion

Multiple Choice

The property that allows water (and other substances) to stick to other objects is:

Adhension

Cohesion

Surface Tension

Specific Heat

Multiple Choice

Water is a universal solvent because it...

It can be found anywhere

It freezes when it gets cold

floats when frozen

Dissolves most substances

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