WebNov 13, 2009 · Students will test four unknown substances (baking powder, baking soda, cornstarch and powdered sugar) and determine the identity of the substances based on how they react with iodine and vinegar. the substance will react with the iodine and turn blue/black. the substance will not react with the iodine, and the iodine will simply stain it … WebMystery White Powder Objective: To identify an unknown white powder from a list of five substances by observing physical and chemical properties and changes in those …
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WebLab Questions. How were all the unmixed substances similar to each other in terms of their physical properties? In terms of their physical properties, all of the powders were similar because the powders were all white and very fine-grained. What was the only physical property that you tested? What is the definition of this physical property? WebJul 29, 2010 · Rub your finger across the graphite of the pencil and then roll it across the sticky side of a piece of tape. Place the tape sticky side down on a piece of white cardstock. This creates a fingerprint that can be compared to existing prints. Have the students practice in pairs. Write the person’s name on the back of each fingerprint and set it ... does kofax power pdf have ocr
Mystery Powder SE Conroy Science Work - SCCOM 100 - Studocu
Web3_Mystery_Powder_Lab California State Standards: (written out) 8.5: Students know reactant atoms and molecules interact to form products with different chemical properties 8.7: Students know substances can be classified by their properties WebStudent Exploration: Mystery Powder Analysis. Vocabulary: Biuret solution, iodine solution, litmus paper, vinegar. Directions: Follow the instructions to go through the simulation. … WebMystery Powder Analysis. Perform multiple experiments using several common powders such as corn starch, baking powder, baking soda, salt, and gelatin. The results of the research on the known powders can then be used to analyze several unknowns using the scientific method. The unknowns can be a single powder or a combination of the known … fabric that looks like bark