Which of the following is an example of a quantitative observation? September 21, 2022 by 8i9x6 The piece of metal is longer than the piece of wood. Solution 1 is much darker than solution 2. The liquid in beaker A is blue. The temperature of the liquid is 60°C. At least two of the above (A-D)are quantitative observations. See Answer The temperature of the liquid is 60°C.