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15 Cards in this Set

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measurement
Way to describe objects and events with numbers - for example, length, volume, mass, weight, and temperature
estimation
method of making an educated guess at a measurement
precision
describes how closely measurements agree with each other and how carefully measurements were made.
accuracy
compares a measurement to the true value
SI
internation system of units related by multiples of ten, that allows quantities to be measured in the exact same way throughout the world
meter
SI unit for length
mass
amount of matter in an object
kilogram
SI unit for mass
kelvin
SI unit for temperature
rate
a ratio of two different kinds of measurements
table
presents information in rows and columns making it easier to read and understand
graph
used to collect, organize, and summarize data in a visual way, making it easy to use and understand
line graph
a type of graph used to show the relationship between two variables that are numbers on an X-axix and a Y-axis
bar graph
a type of graph that uses bars of varying sizes to show relationships between variables
circle graph
a type of graph that shows the parts of a whole. Sometimes called a pie graph, each piece of which represents a percentage of the total.