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EHetzel
ehetzel chapter 2
15
Science
7th Grade
10/01/2018

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Term
Metric System
Definition
A system of measurement based on the number 10
Term
SI
Definition
International system of units
Term
Mass
Definition
Mass is a amount of matter an object obtains.
Term
Weight
Definition
Weight is a measure of the force of gravity acting on an object.
Term
Volume
Definition
The amount of space an object takes up
Term
Meniscus
Definition
Bottom of curved water in graduated cylinder.
Term
Density
Definition
A measure of how much mass is contained in a given object
Term
Estimate
Definition
An approximation of a number based on resealable assumptions.
Term
Accuracy
Definition
How close a measurement is to the true or accepted value.
Term
Precision
Definition
How close a group of measurements are to each other.
Term
Significant figures
Definition
Digits in a measurement
Term
Percent Error
Definition
Determine how accurate, or close to the true value it really is
Term
Mean
Definition
The sum of all the numbers divided by it factor
Term
Median
Definition
The middle of all of the numbers
Term
Mode
Definition
The number that shows up the most often on the list.
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