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6th Grade Unit 1

Investigating Chemicals

DefinitionTerm
groups of similar things based on characteristics or properties Classifications
staying the same; unchanging Constancy
equipment, such as an eye / face wash, a fire blanket, and a fire extinguisher, used to take care of an emergency situation. Emergency safety equipment
repeated sequence; arranged according to a rule or natural phenomenon; a trend in data; used to predict what comes next Patterns
equipment, such as goggles and gloves, used for protection in an investigation Personal protective equipment (PPE)
characteristics of objects, organisms, or events Properties
use of evidence to construct testable explanations and predictions of natural phenomena, as well as the knowledge generated through this process Science
a group of parts that work together System
the formation of a new substance with different properties; cannot be undone by physical means Chemical change
a representation of a compound in which the elements are represented by their symbols and subscripts represent the number of atoms of each element Chemical formula
representation of the name of an element; written as a capital letter or a capital letter followed by a lowercase letter(s) Chemical symbol
a pure substance made by chemically combining two or more elements; represented by a chemical formula Compound
a pure substance that cannot be broken down chemically into simpler substances Element
change which alters the physical properties of a substance without changing its identity Physical change
the solid that is formed as a result of a chemical change Precipitate
a substance that is not mixed with any other substance Pure substance
the number written to the right and slightly below an element in a chemical formula; represents the number of atoms of an element present in a chemical formula Subscript
Created by: Hale Center
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