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Intro. to science
Robinson- Introduction to science and sci. method
| Question | Answer |
|---|---|
| science | the study of; a process of solving problems |
| Name branches of science field | chemistry, biology, zoology, geology |
| physical science | a combination of physics and chemistry; nonliving; ex. matter, energy, chemical reactions |
| technology | the practical use of science to develop products to make life easier |
| How are science and technology related? | knowledge of science concepts is needed to design the products |
| scientific method | a logical process for solving problems |
| Steps in scientific method | identify the problem, research, make a hypothesis, experiment, observation, conclusion, accept, reject or change the hypothesis, communicate the results |
| hypothesis | educated guess |
| experiment | procedure |
| observation | collect data |
| experimental design | How does independent or manipulative variable affect responding or dependent variable? |
| 3 main parts to an experiment | control, independent variable, dependent variable |
| observation | use of senses to gather information |
| inference | a prediction based on knowledge and previous experience |
| scientific theory | explanation based on observations and experiments- example gravity |
| scientific law | a rule of nature- what goes up must come down |