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Earth

Earth ch 2

QuestionAnswer
measurement a way to observe the world by numbers
estimation a rough measurement of an object
precision a description of how close a measurements are to each other
accuracy comparing a measurement to the real, accepted value you are describing
SI international system of measurement
meter SI measurement of length
volume amont of space in an object(cubic)
mass amount of matter in an object
kilogram the SI unit for mass
weight a measurement of force
kelvin SI measurement of temperature
Rate the amount of change of a measurement given an amount of time
table displays information in rows and columns
graph used to collect,organize, and summarize data in a visual way
line graph shows the relationship between 2 variable
bar graph uses rectangles blocks , of varying sizes to show the relations among variables
circle graph shows part of the whole. Also called a pie graph
Created by: DMaisel
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