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Chapter 1 Vocabulary Quiz

Name: __________________________________

Period: _____________ Date: _______________
Across
A set of particles or interacting components considered to be a distinct physical entity for the purpose of study
Tests only one factor at a time by using a comparison of a control group with an experimental group
The degree of exactness of a measurement
Down
Pattern, plan, representation or description designed to show the structure or workings of an object, system or concept
Those digits in a measurement that are known with certainty plus the first digit that is uncertain
An explanation that is based on prior scientific research or observations and can be tested
A description of how close a measurement is to the correct or accepted value of the quantity measured