classification of matter the substance of which all physical objects are made
DESCRIPTION
Elements When all the atoms in a substance are alike There are 90 elements found in nature More than 20 others have been made in labs Here are some you may recognizeTRANSCRIPT
Classification of Matter
The substance of which all physical objects are made
Pure Substances
Pure substances are either elements or compounds
Cannot be broken down into simpler components
Element Compound
Elements
When all the atoms in a substance are alike
There are 90 elements found in nature
More than 20 others have been made in labs
Here are some you may recognize
Oxygen, O2
Mercury, Hg
Compounds
When two or more elements combine
Have a fixed proportion
ex. Na(s) + Cl(g) NaCl(s) table salt
Compound or Element?
Mixtures
Material made up of two or more substances that can be separated
Review: What is a substance?- an element or compound in its simplest form
Here are just a few examples;
PIZZA!!!!!!
COOKIES!!!!!
Heterogeneous v. Homogeneous
Heterogeneous - a mixture which different materials can be easily
distinguishedEx. Granite, concrete, PIZZA!!!!!!!
Homogeneous- a mixture containing two or more substances blended evenly throughoute
Ex. Soft drinks, Vinegar, Coffee
What is a Solution?
A solution is…..
• A homogeneous mixture of particles,
• A mixture that remains uniformly mixed,
Colloids
Types of mixtures that never settle
Contain larger particles than solutions
Ex. Glue, Paint, Fog, Smoke, etc…
Suspensions
A heterogeneous mixture containing a liquid in which visible particles settle
They are neither solutions nor colloids
Ex. Muddy pond water
Text Reference
• Glencoe Physical Science, Teacher Edition 2002, Glencoe/McGraw-Hill. Columbus OH. Pg. 518-524
Image References (in order of appearance)• http://www.google.com/imgres?imgurl=http://www.etftrends.com/wp-content/uploads/2010/06/friedland_industries_nonferrous_metals_copper.jpg&imgrefurl=http://
www.etftrends.com/2010/06/steel-copper-etfs-benefit-as-demand-surpasses-pre-crisis-levels/&usg=__fXrqVG5k-qfS9kDg-Z8-hYty8N8=&h=480&w=640&sz=185&hl=en&start=0&zoom=1&tbnid=wel3SnC69tUxzM:&tbnh=156&tbnw=208&prev=/images%3Fq%3Dcopper%26um%3D1%26hl%3Den%26safe%3Dstrict%26biw%3D1584%26bih%3D822%26tbs%3Disch:10%2C303&um=1&itbs=1&iact=rc&dur=597&ei=uFD0TIHfLIPHnAfI64WLCg&oei=uFD0TIHfLIPHnAfI64WLCg&esq=1&page=1&ndsp=28&ved=1t:429,r:26,s:0&tx=104&ty=93&biw=1584&bih=822
• http://www.google.com/imgres?imgurl=http://www.mynewsletterbuilder.com/ex/template_content_corner/ex110/images/water.jpg&imgrefurl=http://www.mynewsletterbuilder.com/ex/template_content_corner/ex110/lg.html&usg=__L8jYVvJDYIdXcuk3M0ez-HA426o=&h=640&w=800&sz=89&hl=en&start=0&zoom=1&tbnid=L73Dwc8okR-zSM:&tbnh=165&tbnw=216&prev=/images%3Fq%3Dwater%26um%3D1%26hl%3Den%26safe%3Dstrict%26biw%3D1584%26bih%3D822%26tbs%3Disch:1&um=1&itbs=1&iact=hc&vpx=800&vpy=264&dur=2615&hovh=201&hovw=251&tx=138&ty=106&ei=QVH0TO3TKunRnAeei_WICg&oei=QVH0TO3TKunRnAeei_WICg&esq=1&page=1&ndsp=27&ved=1t:429,r:10,s:0
• http://www.google.com/imgres?imgurl=http://www.oxyedge-chum.com/images/oxygen_edge.jpg&imgrefurl=http://www.oxyedge-chum.com/Products.htm&usg=__RIVUlLnccbq5VYwjBurq8HI85Xc=&h=2154&w=1602&sz=176&hl=en&start=0&zoom=1&tbnid=YWYc36QGnhFGrM:&tbnh=171&tbnw=125&prev=/images%3Fq%3Doxygen%26um%3D1%26hl%3Den%26safe%3Dstrict%26biw%3D1584%26bih%3D822%26tbs%3Disch:1&um=1&itbs=1&iact=hc&vpx=542&vpy=63&dur=97&hovh=260&hovw=194&tx=138&ty=189&ei=uFP0TJfhGZWpngebk-ytCg&oei=g1P0TMXWH4jdngeUiY3QAQ&esq=10&page=1&ndsp=31&ved=1t:429,r:2,s:0
• http://qwickstep.com/search/mercury-element-uses.html• http://www.google.com/imgres?imgurl=http://www.webschool.org.uk/revision/nacl.jpg&imgrefurl=http://www.webschool.org.uk/revision/
ioniccompounds.htm&usg=__mlkqURIEHwpCUNRa8OysEKNuVq8=&h=381&w=400&sz=41&hl=en&start=0&zoom=1&tbnid=hol0DYrtr9fWvM:&tbnh=162&tbnw=173&prev=/images%3Fq%3Dcompounds%26um%3D1%26hl%3Den%26safe%3Dstrict%26sa%3DN%26biw%3D1584%26bih%3D822%26tbs%3Disch:1&um=1&itbs=1&iact=hc&vpx=368&vpy=79&dur=4821&hovh=219&hovw=230&tx=134&ty=140&ei=X1j0TPrVC5CinQej67XJCg&oei=Slj0TP-xI4eynAfcjJSCCg&esq=8&page=1&ndsp=29&ved=1t:429,r:1,s:0
• http://www.google.com/imgres?imgurl=http://haacked.com/images/haacked_com/WindowsLiveWriter/IsPizzaBrainFood_770D/mmm-pizza_2.jpg&imgrefurl=http://haacked.com/archive/2008/03/21/is-pizza-brain-food.aspx&usg=__xmDv7Vjn9hjoM-NdI3lvpOmA11Q=&h=480&w=593&sz=88&hl=en&start=0&zoom=1&tbnid=HrgUPONY5u8OMM:&tbnh=161&tbnw=199&prev=/images%3Fq%3Dpizza%26um%3D1%26hl%3Den%26safe%3Dstrict%26biw%3D1584%26bih%3D822%26tbs%3Disch:1&um=1&itbs=1&iact=hc&vpx=358&vpy=259&dur=2678&hovh=202&hovw=250&tx=160&ty=102&ei=nlv0TL72HoWpnAfU2ryVCw&oei=lFv0TJ-3MIzGnAemkImCCg&esq=3&page=1&ndsp=25&ved=1t:429,r:7,s:0
• http://www.google.com/imgres?imgurl=http://medicineworld.org/images/blogs/10-2006/chocolate_chip-cookies.jpg&imgrefurl=http://medicineworld.org/cancer/lead/10-2006/chocolate-chip-cookies-lower-cholesterol.html&usg=__KOjSPkPhvcesLIfDjrF9aM-23X4=&h=260&w=354&sz=11&hl=en&start=0&zoom=1&tbnid=eaQW2Q7V8nSS3M:&tbnh=134&tbnw=182&prev=/images%3Fq%3Dchocolate%2Bchip%2Bcookies%26um%3D1%26hl%3Den%26safe%3Dstrict%26biw%3D1584%26bih%3D822%26tbs%3Disch:1&um=1&itbs=1&iact=rc&dur=433&ei=oVz0TJ2hDIqRnwemtNidCg&oei=oVz0TJ2hDIqRnwemtNidCg&esq=1&page=1&ndsp=32&ved=1t:429,r:7,s:0&tx=67&ty=63