- Definition & Examples. This lesson describes chemical energy as a type of potential energy stored in chemicals, such as sugar and gasoline. The lesson discusses how energy is transferred from solar energy to chemical energy by plants and how gasoline is a source of chemical energy used to move cars.
For one to try out the arena football, one has to be at least 16 years old.nswered by The Community. Making the world better, one answer at a time. For one to try out the arena football, one has to be at least 16 years old. Players who are under 18 should however, only play with their age mates.
At what age should I upgrade to an Adult helmet? There is no definitive age barrier between youth and adult football helmets, but generally speaking, players should look to upgrade to adult-level helmets in middle school, or between 12 and 14 years old. In fact, 14 may even be pushing it a little bit.