Answer
Hydrophilic substances are those that readily dissolve in water. An example would be sugar.
Hydrophopic substances are those that do not dissolve in water. An example would be olive oil.
Work Step by Step
Hydrophilic comes from hydro- "water" and -philic "loving". Hydrophilic substances love water and readily dissolve. Polar substances are hydrophilic. Some examples include sugar and salt.
Hydrophobic comes from hydro- "water" and -phobic "fearng". Hydrophobic substances hate water and do not dissolve. Non-polar substances are hydrophobic. Examples include lipids such as fats and oils.