Properties of Water

Question 1

hydrogen bond

Answer 1

• type of bond between water molecules

Question 2

hydrophilic substances

Answer 2

• (water loving) polar substances that dissolve in water

Question 3

adhesion

Answer 3

• ability of water to stick to another substance

Question 4

hydrophobic substances

Answer 4

• (water fearing) substances that are nonpolar and repel water

Question 5

cohesion

Answer 5

• ability of water to stick to other water molecules

Question 6

capillary action

Answer 6

• causes water to rise against the force of gravity due to cohesion and adhesion

Question 7

surface tension

Answer 7

• property that describes a liquids ability to resist external force

Question 8

polar covalent bonds

Answer 8

• the bonds that exist between the atoms of a water molecule

Question 9

specific heat

Answer 9

• measurement of heat that needs to be absorbed or lost in order for 1 gram of a substance to change its temp. by 1 degree C

Question 10

evaporative cooling

Answer 10

• when plants/animals/humans sweat to cool off in hot temperatures

Question 11

polar molecule

Answer 11

• the type of molecule with unequal share of electrons among atoms (+ & - charged ends)

Question 12

polarity

Answer 12

• a difference in electrical charge between different parts of the same molecule