chemistry ch 1 vocab

4. mass per unit volume
6. information obtained through the senses
8. a measure of how close a series of measurements are to one another
11. a method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10
16. the study of all chemicals containing carbon
18. a factor that can change in an experiment

1. the outcome factor; the variable that may change in response to manipulations of the independent variable
2. a form of technology that uses living organisms, usually genes, to modify products, to make or modify plants and animals, or to develop other microorganisms for specific purposes
3. a statement that describes what scientist expect to happen every time under a particular set of conditions
5. the experimental factor that is manipulated; the variable whose effect is being studied
7. a testable prediction, often implied by a theory
9. a research method in which an investigator manipulates one or more factors to observe the effect on some behavior or mental process
10. a series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions
12. a hypothesis that has been tested with significant amount of data
13. the study of matter and how it changes
14. how close a measurement is to the true value
15. the amount of force exerted per unit area of a surface
17. the amount of matter in an object
18. the amount of space an object takes up