States of Matter
The state of matter with definite shape and definite volume, where particles vibrate but stay close together.
Solid
A pure substance made of only one type of atom.
Element
The formula for density
Density = Mass ÷ Volume (or D = m/V)
A property that can be observed or measured without changing the substance (e.g., color, density).
Physical property
A property that describes how a substance can change into a new substance (e.g., ability to burn).
Chemical property
The state of matter with no definite shape but definite volume, where particles slide past each other.
Liquid
A pure substance made of two or more elements chemically bonded (e.g., H₂O).
Compound
The density of water is approximately this value (in g/mL or g/cm
1 g/cm³ (or 1 g/mL
How shiny or reflective a surface is
Luster
The ability of a substance to burn or catch fire.
Flammability
The state of matter with no definite shape or volume, where particles move freely and quickly.
Gas
A mixture where substances are evenly mixed and not easily separated (e.g., saltwater solution).
Homogeneous mixture (or solution)
If an object's density is less than 1 g/cm³, it will do this in water.
Float
The ability of a material to be hammered into thin sheets
Malleabillity
One key evidence of a chemical change: formation of this (e.g., bubbles in a reaction).
Gas
The kinetic energy of molecules is lowest in this state and highest in this state (name both).
Lowest in solid; highest in gas
A mixture where substances are unevenly mixed and easily seen/separated (e.g., trail mix).
Heterogeneous mixture
Volume of a rectangular prism is calculated using this formula (include units).
Length × Width × Height (cm³ or mL)
The temperature at which a substance changes from solid to liquid.
Melting point
A change in temperature (hot or cold) during a reaction is evidence of this type of change.
Chemical change (exothermic or endothermic)
In this Venn diagram overlap, particles can change position but are still close together (from notes comparing solid/liquid/gas).
Liquid (or solid-liquid overlap characteristics)
This cannot be separated by physical means like filtration or evaporation; it requires chemical methods.
Compound (pure substances like compounds vs. mixtures)
If two fluids have the same volume but different masses, the one with the higher mass will have the higher density.
Higher density (and likely sink lower in a density column
Elements classified as good conductors, shiny, malleable, and ductile (e.g., gold, iron).
Metals
Formation of a precipitate (solid), production of odor, or change in color are all signs of this.
Chemical change