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science 8

TermDefinition
Solid - Phase of matter that has definite shape and volume.
Liquid- Phase of matter that takes the shape of its container and ahs definite a definite shape volume.
Gas- Phase of matter has no definite shape or volume.
Plasma- Phase of matter that can occur when a ags becomes electrically charged.
Atom- The basic building blocks of all matter.
Element- A pure substance that cannot be broken down by chemical or physical means.
Compound- A substance mad eof two or more elements chemically combines;represented by a chemical formula.
Mixture- Two or more substances that are together in the same pplace but their atoms are not chemically combined.
Pure Substance: Matter that consists of only one type of atom,molecule,or compound.
Physical Prpoerty - A characterisitc of a substance that can be observed without changing it into another substance.
Solubility- A measure of how ell a substance can dissolve into another substance.
Luster- Shine or lack of shine,dullnes.
Malleable- Property that allows metals to be made into sheets
Texture The feel of a surface or substance
Conductivity- The ability of a substance to pass an electric current through it.
Physical change- Does not create a new substance and is usually reversible.
Melting- The change in state from solid to liquid .
Freezing- The change in state from liquid to solid.
Vaporization- The change of a state from liquid to gas.
Condensation- The change in state from a gas to a liquid.
Sublimation- The change in state from a solid to gas.
Chemical Property- A characteristic of a substance that describes its ability to change into another substance.
Combustibility/Flammability- Can be easily ignited and burned.
pH- Acitity ot basicity of a substance.
Reactivity- The ease and speed with which a substance combines and reacts with other substances.
Chemical Change- One or more new substances are formed;usually cannot be reversed.
Endothermic- Requires an input of energy(feels cold)
Exothermic- Releases energy(feels hot)
Created by: user-1859798
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