Properties of Water

Question 1

What are the 6 properties of water?

Answer 1

Molecular, Cohesion, Density, Adhesion, Solubility, Thermal

Question 2

What bonds allows water molecules to stick together?

Answer 2

Hydrogen bonds

Question 3

Is water a polar or nonpolar molecule?

Answer 3

Polar

Question 4

What is cohesion?

Answer 4

Tendency of molecules of the same type to stick together

Question 5

What is surface tension?

Answer 5

a measure of how much force is needed to break the bonds on water’s surface

Question 6

True or False? Water has high surface tension

Answer 6

True. It has adhesive properties

Question 7

What characteristic of water allows droplets and beads to form?

Answer 7

Surface tension

Question 8

What is Adhesion?

Answer 8

The clinging of one substance to another

Question 9

What is Density?

Answer 9

How closely packed together molecules are

Question 10

Which object is more dense: Ice or Water?

Answer 10

Water

Question 11

True or False? Less dense objects sink, while denser objects rise

Answer 11

False

Question 12

What is Solubility?

Answer 12

How well a substance dissolves in another substance

Question 13

What substance dissolves more solutes than any other solvent?

Answer 13

Water

Question 14

What is a Solution?

Answer 14

A solute and a solvent

Question 15

What is a Solute?

Answer 15

The substance that is being dissolved

Question 16

What is a Solvent?

Answer 16

The agent that does the dissolving

Question 17

What are Acids?

Answer 17

Liquids with a PH below 7

Question 18

What are Bases?

Answer 18

Liquids with a PH above 7

Question 19

What substance resists changes in PH?

Answer 19

Buffers

Question 20

What does PH measure?

Answer 20

The amount of hydrogen ions in a liquid

Question 21

As the PH number decreases, the amount of hydrogen ions….

Answer 21

Increases

Question 22

Sweating is an example of what property of water?

Answer 22

Ability to Regulate Temperature

Question 23

What is a polar molecule?

Answer 23

A molecule with an opposite electrical charge on each end

Question 24

What does ‘High Specific Heat’ mean?

Answer 24

A large amount of heat is needed to raise the temperature

Question 25

On a molecular level, why do water molecules stick together?

Answer 25

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

Question 26

What process allows water to move from the roots to the leaves of a plant?

Answer 26

Capillary action

Question 27

Which end of water has a slight negative charge?

Answer 27

The oxygen end

Question 28

Which end of water has a slight positive charge?

Answer 28

The hydrogen end

Question 29

The oxygen end of a water molecule has a slight ____ charge

Answer 29

Negative

Question 30

The hydrogen end of a water molecule has a slight ____ charge

Answer 30

Positive

Question 31

What property of water makes ice less dense than liquid water?

Answer 31

Expansion Upon Freezing (Air fills in gaps)