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Jazmine Pregler
Chapter 2 Flashcards - Jazmine Pregler
15
Science
7th Grade
10/01/2018

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Term
Metric System
Definition
Is a system of measurement based on the number 10.
Term
SI
Definition
Scientists all over the world use SI units to measure length, volume, mass, density, temperature, and time.
Term
Mass
Definition
is a measure of the amount of matter an object contains.
Term
Weight
Definition
is a measure of the force of gravity acting on an object.
Term
Volume
Definition
is the amount of space an object takes up.
Term
Meniscus
Definition
to determine the volume of water, you should read the milliliter marking at the bottom of the curve.
Term
Density
Definition
is a measure of how much mass is contained in a given volume.
Term
Estimate
Definition
is an approximation of a number based on a reasonable assumptions.
Term
Accuracy
Definition
refers to how close a measurement is to the true or accepted value.
Term
Precision
Definition
refers to how close a group of measurements are to each other
Term
Significant figure
Definition
to refer to the digits is a measurement
Term
Percent error
Definition
calculations are to determine how accurate the true value is
Term
Mean
Definition
numerical average is calculated by adding up all the numbers and then dividing by the total number on the list
Term
Median
Definition
the middle number in a set of data
Term
Mode
Definition
is the number that appears most often in the list of numbers
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