Question

Which two of the following are the least dense materials shown?

Material        Mass (g) Volume (L)
Rock         1000                0.5
Pillow        200                 10
soda          2000               2
bread        100                   1

Answer 1

i did this test, i think its loaf of bread and pillow

Answer 2

Pillow. When you make the mass of off substances equivalent, the pillow takes up the most volume. This means it is the least dense.