Use the information below to answer the following question(s).
Four groups of students were each given a
piece of aluminum foil (20 cm x 20 cm), a
container holding one liter of water, and
some pennies. Each group was instructed to
use the aluminum foil to make a boat that
would hold the greatest number of pennies
while floating on the water.
The dependent variable in this investigation is the
A.
amount of water.
B. number of pennies.
C. size of the aluminum foil.
D. length of the boat.