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15.1 NOTES DO NOT COPY THIS SLIDE
YOU WILL HAVE 30 MINUTES TO COMPLETE THE NOTE TAKING PART OF TODAY COPY THE NEXT FOUR SLIDES ONTO P. IN YOUR INB MAKE SURE TO RECORD EXAMPLES THE SLIDE TELLS YOU TO AND UNDERLINE THEM GET STAMPED TODAY AT THE END OF CLASS
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Composition of Matter Matter is either a pure substance or a mixture of substances Substance -matter with a fixed composition NOW GIVE ME AN EXAMPLE OF A PURE SUBSTANCE _______________________________
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GIVE ME AN EXAMPLE OF A HETEROGENOUS MIXTURE
Heterogeneous Mixture -where different materials remain distinct in a mixture GIVE ME AN EXAMPLE OF A HETEROGENOUS MIXTURE _________________________ Homogeneous Mixture - a mixture that remains constantly mixed
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Properties of Matter- PHYSICAL
Physical Properties -Any characteristic of a material you can observe that does not change the identity of the substance Physical Change -change in size, shape, or state in which its identity does NOT change EX. Ripping a piece of paper (just changes shape not chemical make up) GIVE ME 2 EXAMPLES OF A PHYSICAL CHANGE 1- ______________________ 2- ______________________
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Properties of Matter- CHEMICAL
Chemical Properties -Any characteristic of a material you can observe that that produces one or more new substances Chemical Change- - a change from one substance to another EX. Burning of wood (changes from wood fiber to ash) GIVE ME 2 EXAMPLES OF A CHEMICAL CHANGE 1- ______________________ 2- ______________________
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Physical and Chemical Change
-YOU WILL HAVE 6 MINUTES TO COMPLETE THE FOLLOWING - As a table group recall 4 examples of physical change and 4 examples of chemical change - Record EACH of them on their own sticky note and place them on the board in the appropriate spot -Record ALL examples DISCUSSED in your INB on p. 24 in 2 lists PHYSICAL AND CHEMICAL IN THE IN SECTION Be able to defend your reasoning
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