You see a twig floating under a bridge. You assume that wood is less dense than water and any twigs you throw into the water above the point that you saw will also travel
under the bridge. After throwing 100 twigs 99 twigs float under the bridge. 1
strangely sank. You make the conclusion that twigs are lighter than water and that
they are carried under the bridge by floating. This is known as a(n)
(2
words)