a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
11.) breeze :
a gentle wind.
12.) soften :
Baca Juga: Bali United Siap Tampil Meyakinkan Lawan PSIS Semarang di Laga Lanjutan Liga 1
make or become less hard.
13.) crash :
(of an aircraft) fall from the sky and violently hit the land or sea.
14.) flight :
the action or process of flying through the air.