# Shared Flashcard Set

## Details

SidneyWCh.2
Sidney Ch.2
15
Science
10/01/2018

Term
 Metric System
Definition
 A system of measurement based on the number 10
Term
 SI
Definition
 International System, abbreviated SI, is used as units to measure length, volume, mass, density, temperature, and time. It allows scientist to share and compare their work.
Term
 Mass
Definition
 Mass is a measure of the amount of matter an object contains.
Term
 Weight
Definition
 Weight is a measure of the force of gravity acting on an object .
Term
 Volume
Definition
 Volume is the amount of space an object takes up.
Term
 Meniscus
Definition
 Meniscus is a curve that determine the volume of water.
Term
 Density
Definition
 Density is a measure of how much mass is contained in a given volume.
Term
 Estimate
Definition
 An estimate is a approximation of a number based on reasonable assumtions
Term
 Accuracy
Definition
 Accuracy refers to how close a measurement is to the truth.
Term
 Precision
Definition
 Precision refers to how close a group of measurements are to each other.
Term
 significant figures
Definition
 Significant figures refers to the digits in a measurement.
Term
 Percent Error
Definition
 Percent error calculations are used to determine how close or how accurate the true value is.
Term
 Mean
Definition
 The mean or numerical average, is calculated by adding up all the numbers and then dividing.
Term
 Median
Definition
 The median is the middle number in a set of data.
Term
 Mode
Definition
 The mode is a number that appears most often in a list of numbers.
Supporting users have an ad free experience!