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 |