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my 22 history vocab. ugggggggg

TermDefinition
science a way of learning about the natural world that provides possible explanations to questions
observation using one or more of your sences to identity or learn about something
inference a conclusion formed from available information for evidence
controlled expeirement a scientific expeirement that involves changing one factor and observing its affect onone thing while keeping all other things constant
model a reprensation of an object or an event that is used as a tool for understanding the natural world
independent variable the variable that is changed during an expeirement
dependent variable the variable that changes as a result of the change in the independent variable
scientific theory a possible explination for repeadiately obsereved patterns in nature supported by observations and results from many investigations
scientific law a rule that describes a pattern in nature but does not try to explain why something happens
technology use of science to help people in some way
quantitive data discriptions of the natural world using numbers
qualititive descriptions of the natural world using words
description a summary of observations
explanation an interpretation of observations
precision how closely messurments are to eachother and how carefully measurements were made
consistincy the ability to repeat a task with little variation
mean the sum of the numbers in a set of data divided by the number of iteams in the set
median the middle number in the data set when the data is aranged in number order
range the difference beetween the highest and lowest values in a data set
scientific method a series of steps scientist perform when performing an expeirement
hypothisis an explanation that can be tested with a scientific investigation
data information gathered during an investigation recorded in the form or descriptions tables graphs or drawings
Created by: molly640590
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