if you are absent you may use this data; just fill in table and do calculations & conclusions on paper. then submit form
Square wood: thanks to Charlie!
L- 7.5 cm
W- 7.5 cm
H- 1.9 cm
M- 79.56 g
Rectangular wood:
L- 15.05 cm
W- 3.6 cm
H- 2.4 cm
M- 86.55 g
empty balloon = .21g; balloon with air = .29g; I used displacement in a large beaker; water went from 250mL to 525mL when balloon was submerged
saltwater = 26.24g empty graduate, 36.95g with saltwater; volume 9.8mL
alcohol = 26.24g empty graduate, 33.67g with alcohol; volume 9.2mL
10.0mL water ; 26.55g empty graduate; with water, 36.24g
80.0mL water; 58.11g empty beaker; beaker with water 137.90g
lead, 27.56g ; volume by displacement 1.6mL empty, 4.1mL with lead