quiz 3 (density)
1.Define density and state its SI units.
2. Write down one common unit for density.
3. Write down one instrument used to measure density.
4.
(a) if the density of water i 1000 kg/m3, what is its equivalent in g/cm3 ?
(b) Paraffin oil has a density of 0.9g/cm3. What is its equivalent kg/m3?
5. Evauate the following statements. Correct any false statements.
(a) Density of a substance is its volume divided by its mass.
(b) Density of a substance depends on tis weight.
(c) Density of a substance depends on the gravitational acceleration.
(d) Density of one identical substance is always the same regardless of its size or shape.