4 Written Questions

1. mixture of evenly distrubuted substances
2. value representing number of hydrogen ions; value between 0-14
3. 7
4. reduce number of hydrogen ions in water; pH is above 7

4 Multiple Choice Questions

1. dissolve easily in water (so do ionic compounds)
   1. Nonpolar
   2. Polar molecules
   3. adhesion
   4. solution
2. attraction between different substances
   1. adhesion
   2. solution
   3. acid
   4. cohesion
3. absorbs heat slowly & keeps energy
   1. water and heat
   2. water in body
   3. adhesion
   4. neutral pH
4. form hydrogen ions in water; pH is below 7
   1. acid
   2. base
   3. pH
   4. adhesion

4 True/False Questions

1. Nonpolar → do NOT dissolve easily in water (ex. oil)

   True        False

2. cells need water → absorbs heat slowly & keeps energy

   True        False

3. water in body → absorbs heat slowly & keeps energy

   True        False

4. cohesion → attraction between different substances

   True        False