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Physical and Chemical Properties(Science 8: “Incomplete” Make-up Assignment)Note: After you complete this worksheet, you will be asked to join a Zoom call or phone call with Ms. Au to check your understanding of the concepts. Relevant Big Ideas:Identify whether a quantity is a mass, volume, or density by looking at its units. Show an understanding of density by completing basic density calculations and word problems.Make observations using physical and chemical properties and appropriate scientific terminology.Before proceeding, please review the concepts of mass, volume, density, and physical and chemical properties, using your Science 8 Connections Textbook and your notes.Part 1: DensityIf you do not have a printer at home, you can complete these questions on a separate sheet of paper.What is mass?_____________________________________________________What is volume?_____________________________________________________What is density?_____________________________________________________Reminder for units: MassVolumeDensityg (grams)mg (miligrams)kg (kilograms, equal to 1000 grams)lb (pounds)t (tonnes)mL (milliliters)L (milliliters)oz (ounces)cm3 (“centimeters cubed”)m3 (“meters cubed”)The formula to calculate density is density= massvolume. Therefore, the units for density are any mass unit divided by any volume unit: e.g. gmL, gcm3 are the ones most commonly used, but you could also see kgL, lbm3, etc. Fill in the blanks: A gold ring sinks in water. Therefore, gold is _______________ (more/less) dense than water.If oil floats on top of water, that means that oil must be ________________ (more/less) dense than water.Classify the following as masses, volumes, densities, or none of these.15kg______________3.25g______________2L______________11.5 cm3______________1.2 g/mL______________32 g______________6.3 cm2______________2.4 g/cm3______________13.582 g/kg______________12.8 g______________21 cm3______________2.7 mL/g______________3.8 kg/oz______________150 mL______________45923201933800Use the table on the right to answer the following questions. What weighs more: a gram of foam or a gram of zinc?________________What is more dense: a gram of foam or a gram of zinc?________________In water, will foam float or sink?________________In water, will zinc float or sink? ________________There is 25 mL of water in a graduated cylinder. When oil is poured into the water, the total volume reads 46 mL. How much oil did you add? Remember units and show your work.There is 30 mL of water in a graduated cylinder. When a rock is put into the water, it sinks, and the water level rises to 34 mL. What is the volume of the rock? Remember units and show your work.Calculate the density of a rock that weighs 8g and has a volume of 3 cm3. Remember units and show your work.Calculate the density of a piece of Styrofoam? that has a volume of 50 cm3 and weighs 3g. Remember units and show your work.There is a graduated cylinder with 20 mL of water. A ring weighing 12g is dropped into the water and it sinks to the bottom, causing the water level to rise to 21.5 mL. What is the volume of the ring? Remember units and show your work.What is the density of the ring? Remember units and show your pare the density you calculated in “b” to the table from question #6. What material is the ring most likely made out of?Part 2: SolubilityYou want to make juice in a limited time frame. You are trying to determine which powder to use in 100 mL of water at room temperature. 60 grams of Powder A is added to the water and is not touched. It dissolves in 90 seconds. 80 grams of Powder B dissolves in the same amount of time. Which powder is more soluble? Explain.What are two ways in which you can make the powder dissolve faster?Part 3: Mixed Physical and Chemical PropertiesChoose 5 objects around your home. For each object, give a 1-2 sentence description on its applicable physical and chemical properties. Make sure to include at least one physical property and one chemical property in each description. For reference, a list of physical and chemical properties is listed below:Physical PropertiesChemical PropertiesLusterColourState of matter (solid, liquid, gas, plasma)Boiling pointMelting pointTextureHardnessMalleabilityDuctility ViscosityReactivity with acidsReactivity with oxygenCombustibilityLack of reactivity Resources If you use any resources other than the ones listed, please remember to cite them by providing a link to the website. All work must be in your own words.Science 8 Connections TextbookScience 8 Portal Website Home Handouts and Materials Science 8 Connections Textbook BC8_Unit1_Topic2_2Ms. Au’s Powerpoint[autosaved].pdfIn-Class Notes on Physical Properties ................
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