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19 Cards in this Set

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  • Back
Science
an orderly way of gathering and organizing information about the natural world

comes from the Latin word "scire" which means "to know"
Life Science
the study of living things and their relationship to one another and their environment
scientific method
the logical series of steps used by scientists to solve problems
Steps of the Scientific Method
a) State the PROBLEM
b)RESEARCH the problem
c) Form a HYPOTHESIS
d) Design an EXPERIMENT to test the hypothesis
e)OBSERVE, RECORD, ORGANIZE, AND ANALYZE DATA
f) State a CONCLUSION
INFER
TO DISCOVER OR FIND OUT BY A PROCESS OF REASONING FROM SOMETHING KNOWN OR ASSUMED
- to suggest a possible explanation for an observation
- Many inferences can be made to explain the same observation
PREDICT
to state what you think might happen in the future: to forecast the coming of an event
- Predictions are based on previous knowledge, past experiences, and observations
- Predictions often relate to forecasting weather
HYPOTHESIZE
to suggest an answer to a problem based on research and gathered information
hypothesis (pl. hypotheses)
An educated, scientific guess, based on research, that tries to explain how and why an event happened, or tries to answer a problem
- an explanation that shows the relationship between the independent variable and the dependent variable in an experiment
- a prediction about the effect that changes in an experiment have on the outcome of the experiment
- usually written as an "IF....(IV)...,THEN...(
DV)..." statement
- is either SUPPORTED OR NOT SUPPORTED by the data collected during the experiment
experiment
A process designed to provide observations and data under carefully controlled conditions
- a test for a hypothesis
Procedure
the detailed, specific set of instructions/directions followed when doing an experiment
conclusion
the end result of an experiment based on observations and the analysis of data
data
recorded observations (facts and figures) about an event
- quantitative data - information gathered from exact counts or measurements, using a scale with equal intervals
- qualitative data - information gathered from verbal descriptions (words), or measurements made using nonstandard rating scales
record
to write down information gathered from research, experiments and observations
organize
to arrange data into charts, tables, graphs, or diagrams to better interpret the results
analyze
to study data for patterns or trends, using such tools as a t-test, box-and-whisker plot or scatter plot for quantitative data, and chi square test for qualitative data
observe
to take notice of things around you, using all available senses
estimate
to suggest or judge the measure, value, or amount of something: a measurement guess
- context words that often precede an estimate include: approximately, about, almost, probably, likely, could be
measure
to determine or describe the amount of an observation in exact units, using a measuring tool
- Measurements must include both a number and a unit (of measurement).
classify
to arrange things into groups based on similar characteristics