PPT-Signs of Chemical Change

October 14 2014 Ms Smith Mrs Malone DO NOW Date October 14 2014 TEKS 68B calculate density to identify an unknown substance Get out your gold Do Now sheet Put your CB and agenda on your desk. Chapter 5.1 . BLM 5.1a, 5.1b. Chemicals and chemical Change. CHEMISTRY. – is the study of matter, its changes and its properties. MATTER. – is anything that has mass and takes up space. ATOM. – the smallest particle of matter. . ACTIVITIES. 1.. . Blue Bottle. 2. Foam Column. Solid Reaction. Flame Tests. Burning Magnesium. Carbon Pillar. Skills Focus:. Making Observations. Qualitative vs. Quantitative. Aim: To find out the different signs of a chemical . 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?. 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 . 1-12-16. Bell Work 1-12-16. When air is heated, it expands and rises. Hot-air balloon pilots use this phenomena to their advantage. These pilots use a gas-flame blower to increase the temperature of the air inside the balloon making the balloon rise. . the . difference . between . physical changes . and . chemical . reactions.. *Tell evidence of . physical changes . and . chemical reactions. . *. Categorize . changes as . physical. or . chemical. , and . Funny Church Signs. Funny Church Signs. Funny Church Signs. Funny Church Signs. Funny Church Signs. Funny Church Signs. Funny Church Signs. Funny Church Signs. Density. A liquid becomes a gas. .. Burn bacon in the pan. .. Magnetic. Bake . cupcakes. Burning . leaves. Reactivity. Blue Station. Define the following terms.. Matter. Physical Change. Chemical Change. Demo . At the start:. Luminol. solution: . blue . liquid. Hydrogen peroxide: clear liquid. What we saw:. Glowing blue color and then an ugly brown color. Bubbles. Temperature rose about 7-8 ºC. Signs of a chemical reaction: Energy change (light, heat), gas formation, color change. Color change. Increase or decrease in temperature. Gas production (not boiling). Precipitation: 2 liquids react to make a solid. Change in properties (density, smell, taste, texture, melting points, boiling points, hardness, etc.). Evidence of a chemical reaction includes:. Chemical Reaction. 1) Change in color / light. 2) Change in temperature. Evidence of a chemical reaction includes:. Chemical Reaction. 1) Change in color / light. Window graphics are flexible and adaptable, making them ideal for firms that need to relocate. Hire Iris Signs for vinyl window graphics. There are compelling reasons why banner signs can transform your storefront and have a positive impact on your business. Read more! Here is the list of advantages of illuminated signs which helps to improve your local visibility in your areas. Enquiry with Iris Signs.