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20 Cards in this Set

  • Front
  • Back
inference
logical conclusion based on observations
relies on previous knowledge
observations
use of the SENSES to gather and record information
data
recorded observations or items of information
generalization
general conclusion based on many specific observations
hypothesis
suggested, testable answer to a well-defined scientific question
quantitative data
observations recorded as measurements
qualitative data
the form of descriptions (e.g. pictures) instead of measurements
variable
any factor in an experiment that is not constant (any factor that can change)
controlled experiment
experiment that tests the effect of a single variable-> u know what changes
discovery science
the description of natural structures or processes as accurately as possible through careful observation and data collection
evidence
collected body of data from observations and experiments
scientific method
process used by scientists to carry out scientific experiments
6 steps:
1. questions
2. observation
3. hypothesis
4. design procedure
5. collect data
6. conclusion
evidence
a collected body of data form observation and experiments
evidence must be reliable=> observations and experiments must have been observed multiple times
hypothesis
a scientific hypothesis must be falsifiable there must be an experiments that goes wrong
limitations in science
science cannot answer every question
science cannot prove or disprove supernatural forces
science isn't the only way of knowing things
theory
a well tested explanation that make sense of a great variety of scientific observations
theories can be modified or discarded if new evidence is uncovered
model
physical mental or mathematical representation of how people understand a process or idea
e.g. drawings graphs maps
communication in science
most scientists work n teams
researchers share their findings by publishing results
technology
application of scientific understanding for a specific purpose
Biology
the scientific study of life