Do you know the meaning of BIOEXTRAGEOQUEST?

5th graders were tasked with creating new words from various parts of words posted on a list. They were to combine the words and write a definition. The theme was the environment in honor of Earth Day. Check out these clever words and their meanings:

(Kate S.) GEORUPT -- breaking of Earth's crust

(Chris H.) BIO-FLEX -- flexing muscles to make people strong

(Elena M.) POSTHERM -- after heat

(Emma) BIOEXTRAGEOQUEST -- The act of searching for life beyond Earth