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Daniel Shields
Daniel Shields Chapter 2 Vocab
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
International System of units
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
Bottom of curved water in graduated cylinder
Term
Density 
Definition
Is a measure of how much mass is contained in a given volume
Term
Estimation
Definition
Is the approximation of a number based on a reasonable assumption  
Term
Accuracy 
Definition
Refers to how close a measurement is to the true or accepted value
Term
Precision
Definition
Refer how close a group of measurements are to each other. 
Term
Significant Figures 
Definition
To refer to the digits in a measurement.
Term
Mean
Definition
is calculated by adding up all the numbers and then dividing them by the total number of items in the list.
Term
Median
Definition
is the middle number in a set of data.
Term
Mode
Definition
The middle number that appears most often in a list of numbers.
Term
Percent Error
Definition
used to determine how accurate, or close to the true value, an experimental value really is. 
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