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Living Environment

Unit 1

OBSERVATION use of senses to gather information touch, taste, smell, sight, hearing
INFERENCE interpretation based on past experience or prior knowledge based on observation
HYPOTHESIS explanation for observations if...then... statement
THEORY well tested explanation that unifies many observations
VARIABLE factor that CHANGES in an experiement
CONTROL factor that remains the same
INDEPENDENT VARIABLE variable that is being changed in an experiment (x-axis)
DEPENDENT VARIABLE variable that is being measured or observed in an experiment (y-axis)
QUALITATIVE data collected that is based on observations =quality...colors, smell, textures, tastes
QUANTITATIVE data collected that is based on measurements =quantity...height, mass,density,speed, temperatures
INTERNATIONAL SYSTEM OF MEASUREMENT the metric system unit based on multiples of 10 measuring length, mass, volume
METER (m) base unit to measure length
LITER (L) base unit to measure volume
GRAM (g) base unit to measure mass
Created by: mbarkley