From my student planner (part 5)

Red is the most commonly colored vehicle involved in accidents each year.

There are only twelve letters in the Hawaiian alphabet.

Dragonflies can fly up to 30 miles per hour.

The first flight of the Wright brothers lasted only twelve seconds.

The longest river in Europe is the Volga River.

The sun is composed of 99 percent hydrogen and helium.

A deltiologist is someone who collects postcards.