E.E. PEI "Prof. Josué Benedicto Mendes"
ACESSE O LINK...
https://phet.colorado.edu/sims/html/states-of-matter-basics/latest/states-of-matter-basics_all.html?locale=pt_BR
...e siga as instruções da apostila, vol. 2, páginas 154, 155 e 156.