Chapter 2: Description and Measurement Flashcards
measurement
a way to describe the world with numbers (can describe objects with length, volume, mass, temperature, and rates)
estimation
method of making a rough measurement
SI
International System of Units; which was designed to give a worldwide standard of physical measurement (examples: meter, cubic meter, kilogram, kelvin)
meter
SI unit of length
mass
amount of matter in an object (SI unit for mass is kilogram)
kilogram
SI unit for mass
kelvin
scale that measures temperature in SI
rate
ratio of two measurements with different units
table
tool used to display information in rows and columns so that it is easier to read and understand
graph
tool used to collect, organize, and summarize data in a visual way so that it is easy to use and understand
line graph
tool used to show the relationship between two variables
bar graph
tool that uses bars to show the relationships between variables
circle graph
tool used to show the parts of a whole