is from Chapter 1. A controlled test designed to determine if a hypothesis is true or false is called. Question 1 A scientific "theory" is (Choose the 2 best answers) an expertiment Choose all that apply] an explanation a awell-tested hypothesis Observations and measurements are made as the result of carrying out an experiment, Question 2 data is obtained A student believes that a unlabeled clear liquid is methanol based upon its smell. To confirm her belief, she measures the mass and volume of the liquid and calculates its density. Identify the hypothesis. measuring the volume of a sample postulating that the liquid is methanol calculating the density the smell of the liquid