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Science Vocab

Vocabulary words for science

observation recovering and noting some FACT to gather informaion abut the world. Observations must be specific and accurate, no relative, so that it means he same to everone.
Qualatative observations factual descriptions that do not use numbers
Quantative observations factual descritions that do use numbers
Inference a possible explanation or guess about an observations
Metric system a form of meusurement used in foreign countries
Kilo 1000
centi 1/100
milli 1/1000
Classify group by similiar characteristics
communication tell ohers what you know
experimental investigation did you test a hypothesis
observational investigation did you make observaions using your five senses to gain infomation about an object or a process
prediction make a forcast
hypothesis educated guess
independent variable change experimenter makes in an experiment. Also known as the manipulated variable. "I" change this first.
dependent variable change that responds to the iv. This change depends on the iv. This change is the data collected or data meusured to determine if the iv has an effect. This change happens after the iv.
constant the factors that must stay the same in order for the experiment to be a fair test. The experimenter may only change one variable-the iv-all other facors must stay the same
control standard of comparison
fair test an experiment that changes only one factor
repeated trials completing an experiment many times. This is done to make the experiment a fair test
Created by: 3131101