PPT-Chemical change

or Physical change Elephant Toothpaste Physical or Chemical The yeast acts as a catalyst to make the hydrogen peroxide break down really quickly Hydrogen peroxide breaks down into . Chemical Butyl Acetate Chemical Butylated Hydroxytoluene Chemical Coal ar Chemical Cocamide DEALauramide DEA Chemical Diazolidinyl Urea Chemical Ethyl Acetate Chemical Formaldehyde Chemical P Chemical Property. something that leads to a change in composition of matter. Flammability –. ability to burn when oxygen is present. Can be a good and bad property (lighter fluid SHOULD be flammable, Carpet is bad to be flammable). page 133. Physical Change. Any change in size, amount, shape, . or state/phase . of matter.. nothing new is created. Ex.) melting a block of ice, cutting a piece of paper in half. Chemical Change. substances change . #1: What happens to a substance when a chemical change occurs?. #2: What are some signs of a chemical change?. Bell Ringer: Tuesday 10/1/13. Read the paragraph below and determine the main idea. Then, write and answer the questions. http://www.youtube.com/watch?v=F54rqDh2mWA. Chemical Change v. Physical Change. Chemical Change . Break or form chemical bonds. Molecular formulas of the products are NOT exactly the same as the reactants. Mrs. Lowe . April 2011. Chemical changes . Chemical change . is a change that forms a new type of matter . Chemical property . is a feature of matter that can cause a chemical change. Examples of a different type of matter forming during a chemical change. and. Changes. By Jordan Parkinson. What are some Physical Properties?. Appearance – O. utward . or visible aspect of a person or thing. . Color - A. . visual attribute of things that results from the light they emit or transmit or reflect. A half eaten apple turns brown.. Physical or Chemical Change?. Chemical Change. Ripping paper into little pieces. Physical or Chemical Change?. Physical Change. Melting a popsicle. Physical or Chemical Change?. 21. Physical Properties. Chemical Properties. Physical Change. Chemical Change. Chemical and Physical Changes Brain pop. Physical Properties. can be observed or measured without changing the substance.. . October 14, 2014. . Ms. Smith. Mrs. . Malone. DO NOW. :. Date. : . October 14, 2014. TEKS: . 6.8B calculate density to identify an unknown substance. Get out your . gold Do Now sheet. Put your . CB and agenda on your desk. EQ: How are changes in matter related to changes . in energy?. Changes in Matter. You are at the beach. You built a sandcastle!. You notice storm clouds gathering in the distance.. You are sad : (. You know your sandcastle is about to go bye-bye.. How to tell the difference. Physical properties. Inherent characteristics of a substance that can be determined without altering its composition. Associated with its physical existence. Color, taste, odor, state of matter (solid, liquid, or gas), density, melting point, boiling point.. Chemical or Physical Change?. Vocabulary. :. chemistry. matter. physical property. chemical property. physical change. chemical change. evidence of chemical change. s. olid. liquid. g. as. precipitate. EVIDENCE of a CHEMICAL REACTION . (aka a . CHEMICAL CHANGE. ). . . . . . T. he decomposition of hydrogen peroxide H. 2. O. 2. . !!. 2 H. 2. O. 2. . . 2 H. 2. O + . O. 2. http. ://. www.youtube.com/watch?v=4N0m95PExHY.