skateboard (n.)
a flat, narrow board with small wheels under each end, which a person stand on and moves forward by pushing one foot on the ground
scooter (n.)
a child's vehicle with 2 or 3 small wheels which is ridden by standing with 1 foot on the board and pushing against the ground with the other foot
safety (adj.)
a state in which you are safe, not in danger or at risk
expert (n.)
a person with a high level of knowledge or skill relating to a particular subject or activity
put out (v.)
to produce information and make it available for everyone to read or hear
report (v.)
to give a description of something or information about it to someone
kept off (phr.)
to not eat, drink, or use something that can harm you, or to stop someone else from doing this
unless (conj.)
if not
adult (n.)
a person or animal that has grown to full size and strength
supervise (v.)
to watch a person or activity to make certain that everything is done correctly, safely
accident (n.)
something bad that happens that is not expected and often damages something or injures someone
age (n.)
the period of time someone has been alive or something has existed
