What do contrail clouds look like?

Search: contrail

Why: Another wordsearch - this one themed "Clouds." I remember cirrus, stratus, and cumulus, but not this one.

Answer: They're just those streaks that are made from planes. Contrail = "condensation trail":


Source: Google Images

The More You Know: Sorry - I've been at my parents' house / using their computer since last Wednesday. They basically have dial-up.