Students have the opportunity to observe change taking place as they add an effervescent tablet (such as Alka-Seltzer ) to a cup of water.
(change; taking; place) (they; add; an effervescent tablet (such as Alka-Seltzer; to a cup of water) (Students; have; the opportunity to observe change) Context(Students have,List([0, 13))):(Students; have to observe; change taking place)
Students have,List([0, 13))
change they Students Students
taking add have have to observe
place
an effervescent tablet (such as Alka-Seltzer to a cup of water
the opportunity to observe change
change taking place