Chemistry Terms

2. / the amount of space occupied by a three-dimensional object or region of space
4. system / a decimal system of units based on the meter as a unit length, the kilogram as a unit mass, and the second as a unit time
8. / a measure of the average kinetic energy of the particles in a sample of matter, expressed in terms of units or degrees designated on a standard scale
9. data / data described in terms of some quality or categorization that may be informal or may use ill-defined characteristics such as warmth and flavor
12. / a tentative explanation for an observation or scientific problem that can be tested by further investigation.
13. figures / All of the numbers in a measurement that are know to be accurate, plus one that is uncertain
15. / the act of noting and recording something with instruments
16. / a property of matter equal to the measure of an object's resistance to changes in either its speed or direction of its motion

1. variable / the observed variable in an experiment or study whose changes are determined by the presence or degree of one or more independent variables
3. / a test under controlled conditions that is made to demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy of something previously untried
5. variable / variable whose value is being altered to bring a change in some condition
6. / a position reached after consideration of data obtained from an experiment
7. data / data described in terms of quantity and in which numerical values are used
10. / the measurement of the extent of something along its greatest dimension
11. analysis / a technique that involves the study of dimensions of physical quantities
14. method / a method of research in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested