8._____Which term refers to water having partial positive charges and a partial negative charge?
a. Cohesion b. surface tension c.polarity d. good solvent
9. ____Which property allows water to stick to the surface of a leaf ?
a. cohesion b. surface tension c. good solvent d. adhesion
10. ____Which part(s) of a water molecule has/have a partial positive charge?
a. the two hydrogen (H) atoms b.the two oxygen (O) atoms
c. the one hydrogen (H) atom d. the one oxygen (O) atom
11. ____Which characteristic of water allows a paperclip to remain “floating” on water when the paperclip is gently placed on top of the water (even though paperclips are denser than water)?
a. adhesion b. surface tension c. solvent properties d. cohesion
12. ____ Which characteristic helps you cool down from sweating?
a. High specific heat b. High heat of evaporation c. Adhesion
