Question 8
The table below shows the properties of some objects.
I. cork; Solid wood; 0.15 g/mL; Flammable at high temperatures
II. pea; Solid seed; 0.6 g/mL; Edible
III. Key chain; Solid metal; 5.3 g/mL; Melts at high temperatures
IV. Credit card; Solid plastic; 0.9 g/mL; Melts at high temperatures
Which of them would float on isopropyl alcohol, which has a density of 0.79 g/mL?

I. cork; Solid wood; 0.15 g/mL; Flammable at high temperatures
II. pea; Solid seed; 0.6 g/mL; Edible
III. Key chain; Solid metal; 5.3 g/mL; Melts at high temperatures
IV. Credit card; Solid plastic; 0.9 g/mL; Melts at high temperatures
Which of them would float on isopropyl alcohol, which has a density of 0.79 g/mL?
