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Pure substances and Mixtures concept map

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Steven Katounis

on 20 June 2011

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Transcript of Pure substances and Mixtures concept map

Pure substances Vocabulary for Chpt 1, 2 ,and 3. Vocabulary
of Chpt 1. Table of contents Matter:Any thing that takes up space and has mass. Chemistry: the study of matter
and its changes. Particle Theory of Matter: an explanation of what matter is made up and how it behaves. Solid: a state of matter with a definite volume and a definite shape. Volume: a measure of the quantity of
space occupied by an object. Liquid: a state of matter with a definite volum but not a definite shape. Gas: a state of matter that does not have a definite volume or definite shape. Pure Substances: matter that contains
one kind of particle. Mixture: matter that contains two or
more substances mixed together. Heterogeneous Mixture: a mixture with different
parts that you can see. Homogeneous Mixture: a mixture that looks
like a single pure substance. Vocabulary for Chpt 2. Dissolve: to mix one type of matter into
another type of matter to form a solution. Solvent: the larger part of the solution, the part of a solution in which the solute dissolves. Solute: the smaller part of a solution, the part of the solution in which it dissolves in the solvent. Pollution: contaminants in the environment that could harm living things. Soluble: able to dissolve in a specified substance. Insoluble: unable to dissolve in a specified solvent. Concentrated solution: a solution with a large number of solute particles in a given volume of solution. Dilute solution: a solution with a
small number of solute particles in a given volume of solution. concentration: the amount of solute
present in an amountof solution. Solubility: a measure of how much
solute can dissolve in a certain solvent
to form a saturated solution at a
particular temperature and volume Chapter 3 vocabulary Sorting: physically separating large
pieces of a mechanical mixture so
that similar pieces are together. Floating: a separation technique in
which a “lighter” component rises
to the top of a liquid where it can be
skimmed or poured off. Settling: a separation technique in
which a “heavier” component sinks to
the bottom of a liquid, and the liquid
can be poured off figure. Sieve: a device used to separate the
components a mixture, with many
visible holes that allow smaller solid
pieces and liquids to pass through
while blocking the larger solid pieces. Sieving: the process of passing a
mechanical mixture through a sieve
to separate out the larger pieces of
matter. Filter: a device with many small holes
that trap solid pieces of a mixture
but allow liquids and gases to pass
through. Filtration: the process of passing a
mechanical mixture through a fi lter to
separate out solid pieces from a liquid
or gas. Dissolving: mixing completely with a
solvent to form a solution. Sewage: the mixture of water and
waste that is flushed down toilets and
sink drains. Evaporate: change from a liquid
to a gas. Distillation: the process of separating
liquids in a solution by heating the
solution, trapping and cooling the gas,
and collecting the resulting pure liquid. Electric generator: a machine with
moving parts that produce electricity
when they spin. Radioactive: a term used to describe
pure substances whose particles
naturally split into smaller particles,
releasing energy as they break apart. Pure Substances and mixtures Pure substances Mechanical Mixture Can be mixed to be create Solution is a type of Mixture Is a type of Matter Liquids can be heated to form a Solids Gas Can be even more heated to form a Volume is measured in Types of solutions Dilute Solutions Can add more solute to this solution to create Concentration solution Insoluble solution Soluble solution Can add more solute to a soluble solution to create Pure substances and mixture concept map
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