skateboard – n. a device on wheels that a person stands on to move along the ground or to perform tricks
frustrate – v. to cause someone to feel angry because of not being able to do something
locker – n. a personal storage area
backpack – n. a piece of equipment designed for carrying something, usually on the back
chore – n. a job or project
contest – n. competition
lesson – n. a class or part of training; something learned through experience
focus – v. to direct attention or increase attention on something
conservation – n. protection of something
entrepreneur – n. someone who organizes and supervises a business