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Scientific Questions, Investigations, Conclusions, Results, & Errors

bias statistical sampling or testing error caused by systematically favoring some outcomes over others
conclusion a summation of what is learned from an experiment
constant a quantity that, under stated conditions, does not vary with changes in the environment
control the group treated normal to which the experimental group is compared
data recorded observations from experiments
data table a framework for organizing data measured or recorded from an experiment
dependent variable the factor measured or observed to obtain results (sometimes referred to as the responding variable), usually graphed on the y-axis
direct relationship when two or more variables are related and change together
evidence facts or signs that help one to form an opinion based on observations
experimental group exposed to all conditions of the experiment except the experimental variable
procedure detailed, step-by-step directions for conducting a science experiment which allow duplication
hypothesis a testable explanation for an observation or scientific problem
independent variable the one factor in an experiment that is determined and changed by the experimenter (sometimes referred to as the manipulated variable), usually graphed on the x-axis
inverse relationship relationship of variables: when one increases, the other decreases
mass a measure of the amount of matter in an object
qualitative involving quality or kind, recorded with a characteristic that cannot be expressed in numbers
quantitative the measured amount, recorded with a number
result outcome, usually of an experiment
scientific evidence data found using a scientific process
temperature average kinetic energy (movement) of molecules in an object
theory a well-tested explanation of some aspect of the natural world
thermometer instrument used to measure temperature (average kinetic movement of molecules in an object)
variable factor that can change in an experiment
validity the extent to which a test measures what it claims to measure
interpret to determine the patterns and trends from data/information
Sample Size number of individuals in the experimental and control groups
Property special quality or feature of a substance or an organism that may be used for identification
Mean one of the measures of a central tendency; the sum of numbers in a set divided by the number of pieces of data
Balance an instrument for weighing or equality between the totals of both sides
Spring Scale tool used to measure weight or force
Toxic having the affect of poison
Corrosive any substance that oxidizes metal or flesh
Radioactive substance with an untestable nucleus that loses energy by emitting particles or electromagnetic waves
Created by: jenningsk