Properties and Changes of Matter
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each of the black spaces below before clicking
on it to display the answer.
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| Physical Properties | A description that helps identify a substance
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| State of Matter | solid, liquid, gas
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| Colour | red, orange, yellow, green
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| What colour is water? | colourless
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| Odour | sharp, spicy, putrid
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| Pure water is (smell) | odourless
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| taste | sweet, sour, bitter, salty
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| Clairty | how well you can see through a substance
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| Lustre | shininess of and object/substance
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| hardness | how hard an object is
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| texture | how it feels to the touch
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| malleability | how flexible and object/substance is
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| ductility | the ability of an object or substance to be stretched into wire
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| viscosity | the amount of ease a liquid has to flow
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| conductivity | how well it conducts heat or electricity (good or poor)
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| Pure substances have...? | Unique Densities
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| Quantitative Physical Properties | characteristics observed with the senses, that are described but not measured.
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| Quantitative Physical Properties | characteristics that are measured.
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| Quantitative always have..? | a number and a unit
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| Density | the ratio of mass over volume
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| Solubility | how much it will dissolve into a liquid
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| What is the formula for Density? | M/V
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| what is the formula for mass? | DxV
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| what is the formula for volume? | M/D
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| Characteristic Physical Property | a unique physical property used to positively identify a substance.
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| Chemical Properties | describes how a substance reacts with another.
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| Physical Changes...? | Can be reversed
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| Physical Changes do not...? | form any new substances
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| Chemical Changes...? | are not easily reversed
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| Chemical Changes DO...? | form new substances
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| Indicator of a Chemical Change: (c) | colour (changes)
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| Indicator of a Chemical Change: ( t ) | temperature (increases, decreases)
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| Indicator of a Chemical Change: ( o ) | odour (changes)
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| Indicator of a Chemical Change: ( g ) | gas (is produced)
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| Indicator of a Chemical Change: ( p ) | precipitate (is formed)
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| Indicator of a Chemical Change: ( l ) | light (is produced)
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| Indicator of a Chemical Change: ( u ) | used up (reactants are used up)
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| Matter is classified as...? | Mixtures and Pure substances
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| Mixtures are classified as...? | Heterogeneous and Homogeneous
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| Heterogeneous Mixtures | two or more phases
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| Homogeneous mixtures | One phase
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| Phase | basically a substance
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| Mixtures can be separated by..? | physical means
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| Pure substances are classified as..? | elements and compunds
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| elements are represented by..? | chemical symbols
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| elements are made of? | atoms
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| Elements can not be..? | broken down any further
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| Compounds are represented by..? | chemical formulas (H20)
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| compounds are made of..? | molecules
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| Molecules can be broken down into..? | atoms
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| Compounds can be broken down through..? | Chemical Means
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| All matter is made up of what? | particles
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| Each substance has its own..? | unique particles
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| particles are always ______ to eachother. | attracted
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| particles are always..? | moving.
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| particles at a higher temperature will..? | move at a faster speed than those of a lower temperature.
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