Question | Answer |
chemistry | the study of matter and the charges that it undergoes |
matter | is anything that has mass and takes up space |
mass | a measurement that reflects the amount of matter |
weight | a measure not only the amount of matter but also of the effects of Earth's grvitational pull on that matter |
scietific | a systematic approach used in scientific study, wheather its chemistry, biology, physics, or other sciences |
qualitative data | information that describes color, ordor, shape, or some other physical characteristic |
quantitive data | numerical information that tells you how much, how little, how big, how tall, or how fast |
hypothesis | a tentative explanation for what has been observed |
experiment | a set of controoled observations that test the hypothesis |
independent variable | the variable that you plan to change |
dependent variable | its value changes in response to a change in the independent variable |
control | a standard fo comparison |
conclusion | aa judgement based on the information contained |
model | a visual, verbal, and/or mathmatical explanation of experimental data |
theroy | an explanation that has been supported by many, many experiments |
scientific law | a relationship in nature that is supported by many experiments |
pure research | seeks to gain knowledge for the sake of knowledge itself |
applied research | research undertaken to solve a specific problem |
technology | the practical use of scientific information |