Come in, sit quietly, complete The study of the purpose of matter and how matter changes is _______________? ___________ is the study of matter and energy and how they interact. Developing an explanation for observations based on reasoning from what you already know is _______________? Using one or more senses to gather information is ___________? A factor that can change a experiment is an _____________? A possible answer to a scientific question or explanation for a set of questions is an ____________? How close a group of measurements are to each other is known as _________________. ___________________ are all the digits in a measurement that have been measured exactly, plus one who's value has been estimated. The _______________ is the numerical average of a group of numbers. The middle number in a set of data is the _______________. Chemistry Physics inferring observing variable Hypothesis precision Significant figures mean median