click below
click below
Normal Size Small Size show me how
Chemistry vocab
chapter 1
| Question | Answer |
|---|---|
| study of matter and its changes | chemistry |
| matter that gas a definite and uniform composition | substance |
| a measurement that reflects the amount of matter | mass |
| a measure not only of the seamount of matter but also of the effect of Earth's gravitational pull on that matter | weight |
| a visual, verbal, or mathematical explanation of experimental data | model |
| a systematic approach used in scientific study | scientific method |
| a set of controlled observations that test the hypothesis | experiment |
| a standard for comparison | control |
| a judgement based on the information obtained | conclusion |
| a relationship in nature that is supported by many experiments | scientific law |
| to gain knowledge for the sake of knowledge itself | pure research |
| research undertaken to solve a specific problem | applied research |
| a substance that forms a protective layer in Earth's atmosphere | Ozone |
| synthetic substances made of chlorine, fluorine, and carbon that are thinning the ozone layer | CFC |
| anything that has mass and takes up space | matter |
| the practical use of scientific information | technology |
| the act of gathering information | observation |
| known as substances | chemical |