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Terms in this set (54)
is an object that contains no heat energy.
changing from a liquid to a gas.
the temperature at which a liquid turns into a gas. Boiling points depend on air pressure.
a temperature scale with the melting point of ice at 0 degrees and the boiling point of water at 100 degrees.
an attribute that can be used to help identify a substance. A characteristic property is not affected by the amount or shape of a substance.
any change that involves the formation of a new substance. A chemical reaction has reactants and products.
characteristics of a substance that are observed when it reacts or changes to produce one or more new substances.
a substance where two elements are chemically combined.
the decrease in volume when a substance is cooled down.
changing from a gas to a liquid.
Conservation of Mass:
matter (mass) cannot be created or destroyed. It only changes form.
the relationship between mass and volume or the amount of mass in a given volume. It is usually measure in grams per cubic centimeter (g/cm³).
the process that takes a place when a solvent is mixed with at solute to make a solution.
the process of evaporating a solution and then condensing the various fractions back into a liquid in order to separate them.
a substance that contains only one kind of atom. The smallest unit of matter.
the ability to do work or cause change.
to change from a liquid to a gas at or below the boiling point.
the increase in the column of matter that occurs when matter is heated.
a temperature scale with the melting point of ice at 32 degrees and the boiling point of water at 212 degrees.
the change in state in which a liquid turns into a solid.
the process of separating a solid and a liquid by passing a mixture of the two through a mesh. The liquid that passes through the filter paper is called the filtrate and the solid remaining is the residue
phase of matter with no definite shape or volume. It fills its container.
a term used to describe liquids that are unable to dissolve in one another.
a temperature scale with the lowest possible temperature at the zero point, which is called absolute zero. On the Kelvin scale, ice melts at 273 degrees.
phase of matter with a definite volume but not a definite shape. Spreads to fill the bottom of a container.
the amount of matter in an object.
anything that has mass and takes up space
changing from a solid to a liquid.
the temperature at which a solid turns into a liquid. The melting point of a substance is the same temperature as it's freezing point.
a term used to describe liquids that are able to dissolve in one another.
two or more substances mixed together but not chemically combined.
when a substance changes from one substance to another.
A change that alters the form or appearance of a substance but does not make the material into another substance
characteristics of a substance that can be observed without changing the substance into something else.
an ionized gas formed when heat energy is applied to a gas.
Phase or State:
solid, liquids and gases are the three phases or states of matter.
a substance formed by a chemical reaction.
characteristics used to identify or describe a substance.
either an element or a compound.
the starting substance in a chemical reaction.
phase of matter with a definite shape and volume.
the substance that dissolves in a solvent. Solutes may be solids, liquids or gases.
a homogeneous mixture of a solvent and one or more solutes.
the substance in a solution that dissolves the solute.
a solution that will not dissolve any more solute at a given temperature or pressure.
the ability to dissolve in a solvent.
the measurement of a how hot an object is.
a chemical reaction in which a compound is decomposed by heating.
when many scientists have made the same observations over a period of time.
the amount of space matter takes up.
property that allows a metal to be hammered, pressed, or rolled into thin sheets.
states of matter:
solid, liquid, gas, plasma
any substance that allows heat and/or electricity to pass through it.
Any substance that prevents heat and/or electricity to pass through it.
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