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NOS Science

Terms in this set (25)

Science
the investigation and exploration of natural events and of the new information that results from those investigations
Observation
using one or more of your senses to gather information about your environment
Inference
a logical explanation of an observation that is drawn from prior knowledge or experience
hypothesis
an educated guess , usually is a stating saying what you "think" will happen in an experiment
prediction
a statement of what will happen next in a sequence of events, (can be another word for hypothesis)
technology
the practical use of scientific knowledge
scientific theory
an explanation of observations or events based on knowledge gained from many observations and investigations
scientific law
rule of nature, describes a pattern or an event in nature that is always true, (what goes up, must come down)
critical thinking
comparing what you already know with the information you are given in order to decide whether you agree with it
description
a spoken or written summary of observations
explanation
an interpretation of observations
International System of Units (SI)
an internationally accepted system of measurment: uses meters, liters, and grams
accuracy
a description of how close a measurement is to an accepted or true value
precision
a description of how similar or close measurements are to each other
significant digits
the number of digits in a measurement that are known to be reliable
variable
what is being tested in an experiment
independent variable
the factor you want to test in the experiment, the investigator decides how to change it
dependent variable
the factor measured or observed during an experiment, the result of the independent variable
State the:
Problem
Gather:
Information
Form a:
Hypothesis
Perform an:
Experiment
Collect and Analyze:
Data
Draw:
Conclusions
Support or Reject your:
Hypothesis
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