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Nature of Science

vocabulary for chapter 1

science process of trying to understand the world
scientific methods step-by-step procedures of scientific problem solving, which can include identifying the problem, forming and testing hypothesis, analyzing data, drawing conclusions, and communicating
constant factor that stays the same through all phases of an experiment (controlled variable
control standard used for comparison in an experiment
inference conclusion drawn from an observation
observation bit of information gathered with the senses. Qualitative or Quantitative
independent variable single factor in an experiment that the scientist changes. (manipulated variable)
dependent variable factor that will be measured in an experiment (responding variable)
hypothesis statement that can be tested
model represents something that is too big, too small,too dangerous, too time consuming, or too expensive to observe directly
qualitative observation Observations made with our senses
quantitative observation Observations that focus on data; they can be measured with instruments.
theory an explanation of things or events based on scientific knowledge that is the result of many observations and experiments
law statement about how things work in nature that seems to be true all the time.
variable something in an experiment that can change
Created by: klaud