Unit 2
Danette Vance
Created on September 6, 2024
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Transcript
Freezing Point
- 6.6B- investigate the physical properties of matter to distinguish between pure substances, homogeneous mixtures (solutions), and heterogeneous mixtures
- 6.6D- compare the density of substances relative to various fluids
Physical Property
Magnetism
Electrical Conductivity
Melting Point
Volume
Unit 2
Atom
Boiling Point
Chemical Formula
Color
Compound
Density
Element
Heterogeneous Mixture
Homogeneous Mixture
Mixture
Meniscus
Pure Substance
Displacement
Fluid
Mass
Electrical Conductivity
is a measure of how easily electricity can pass through a substance.
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Magnetism
is a measure of how attracted a substance is to a magnet
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Meniscus
The upward curve at the surface of a liquid
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Atom
The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element
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Density
is a measure of how easily electricity can pass through a substance.
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Physical Property
is a characteristic of a substance that can be observed or measured without changing the identity of the substance.
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Boiling Point
is the temperature at which a substance changes from liquid to gas
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Element
A substance that contains one kind of atom and cannot be broken down into a simpler form
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Pure Substance
consists of just one type of particle and has the same physical properties throughout Ex) Elements and Compounds
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Heterogeneous Mixture
A mixture that is not the same throughout.
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Displacement
A way to measure the volume of a solid by placing it in a known amount of liquid
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Color
is determined by what colors of light are reflected by a substance. If light just passes through the substance, the substance may lack color.
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Homogeneous Mixture
A mixture that is the same throughout.
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Fluid
A substance that has no fixed shape and is able to flow easily; a gas or a liquid
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Compound
A substance made of two or more elements chemically combined in a specific ratio or proportion
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Mixture
is made of two or more substances that are combined but whose atoms are not chemically bonded. The substances that make up the mixture keep their own physical properties
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Mass
Amount of matter a body contains
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Melting Point
is the temperature at which a substance changes from solid to liquid.
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Freezing Point
the temperature at which a liquid turns into a solid when cooled.
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Volume
the amount of space that a substance or object occupies
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Chemical Formula
A shorthand notation that uses chemical symbols and numbers as subscripts to represent the type of atoms and number of atoms that are present in the smallest unit of the substance.
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