Unit 1: Movie Special Effects

Unit 1: Movie Special EffectsEssential QuestionsHow can chemical concepts be used to produce special effects for a movie?How can conclusions be drawn from data and evidence that is collected?How are measurements made?How are significant figures used?What is matter, and how can it be classified?Chapter Challenge OverviewWork with a partner to create a story line and produce special effects based on the chemistry you learnDemonstrate the special effects you create Write a procedure on how your special effect is doneWrite an explanation on how the special effect works, including the chemistry behind itDue date: Thursday, September 13Day 1: Elements and CompoundsLearning Objectives:Observe a demonstration to see how a compound is decomposed into its 2 elementsPerform gas tests to determine their identities Determine chemical formula of a compoundCompare the properties of the compound to those of the elements it makes upPractice safe laboratory techniquesStarterMatter is the name for all the stuff in the universe. Anything that has mass and takes up space is matterHow many different types of matter are there?What makes up matter?Look around and list 10 examples of matter in the classroomClassify your examples as pure substances or mixturesFor the ones that are mixtures, what do you think is in them? (What is it that makes them up?)Time: 15 minutesActivity One: Video

Activity Two: Decomposition of H2O2That video showed the breakdown of water into the two elements that it makes up:2H2O O2 + 2H2We do not have the equipment to do this decomposition reaction, but we can do it with hydrogen peroxide (H2O2)What do you think H2O2will break down into?We will test for hydrogen and oxygen gasTime: 30 minutesActivity Three: DemonstrationIn the test tube, there is zinc (Zn) and hydrochloric acid (HCl)What gas do you think will be produced from a chemical reaction between these materials?Zn + HCl ???Time: 15 minutesActivity Four: Closing ActivityWhat are some other compounds that you know? Can you write the names and formula for them? What does the chemical formula tell us about the make up of the compound?Can all compounds be decomposed into their elements?What techniques can be used to do this?What are elements made of?What are atoms made of?Time: 15 minutesHomeworkPage 633 Chemistry to Go#1-3Preparing for the chapter challengeDue on WednesdayDay 2: States of MatterLearning Objectives:Describe the particles in different phases of matter, and as the material changes phasesObserve the change in state of waterGraph the phase changes of waterDescribe the phase changes with regard to transfer of energy Characterize materials by their unique phase-change temperaturesPractice safe laboratory techniques

Starter

Starter Draw 3 circles to represent each state of matterIn the circles, draw what you think the particles look like in a solid, liquid and gasDescribe what the particles do in each of the three phasesTime: 10 minutesActivity One: The Heating Curve for WaterWe will investigate how the temperature changes when ice melts (pg. 634-635)What is a phase change? What will happen to the system as we increase the temperature?Will the temperature not change at any point?What will happen to the energy in the system as temperature is added?How will we record the data collected?Time: 45 minutesActivity One (contd)Procedure:In your group, set up your lab equipment like the pictureYou will record the temperature every 1 minute. Make sure the thermometer does not touch the bottom of the beakerContinue to collect the temperature until the water is boiling and you get the same temperature 5 times in a row.

Activity One (contd)Data CollectingCreate this table to write down your observationsData Table 1: Temperature Change of Ice

Time (min)Temperature (C)Observations0123Activity Two: Interpreting Our DataLab Report: CERR ModelWhat to include?ClaimEvidenceReasoningRebuttal Due Date: August 28Activity Three: Phase ChangesIn your group, create a visual representation of phase changesInclude:The different phases, and what the changes are calledIs heat energy transferred to or away from the object?Is it endothermic or exothermic?What happens to the particles in the substance?Time: 15 minutesHomeworkRead Chem Talk, starting on page 638Lab report (due August 28)Chemistry to Go, pg. 642-643 #1, 2, 3, 5, 7 (due Friday)Day 3: Solutions, Suspensions & ColloidsLearning Objectives:Explore different ways materials can be mixed together to form new materialsTest some materials to see what kind of mixtures they areDetermine why certain kinds of mixtures are manufactured for commercial use in particular waysUse different methods to separate mixturesStarterLots of different things happen when materials are mixed togetherEach mixture has its own characteristicsIs it easier to separate milk from coffee, or milk from cereal? Explain.There are many different ways to separate mixtures. List and describe as many as you can.Time: 10 minutesActivity One: Different Types of MixturesWe will be looking at different types of mixtures (pg. 644-645), describing them and seeing if they separate with a filter.Copy down this table in your notebook. Make a title for itNoMaterials mixed with waterObservation beforeObservation afterKind?Filter? 1Water2Sugar3Milk4CuSO45Olive oil6SoilActivity One (Contd)Follow steps 1-4, completing your data table as you go.What other materials will you need to get from the lab bench?Instead of a laser, use a flashlightTime: 50 minutesActivity Two: Interpreting ResultsGet together with 2 or 3 other people who were not in your investigation groupShare your findings with each other, and discuss any discrepancies Time: 15 minutesClosing ActivityClassify the following as a suspension, colloid, or solution. ExplainOrange juice (with pulp), apple juice, hot coffee, milk, olive oilHow could you separate the following?Sugar dissolved in waterAlcohol dissolved in waterSand mixed in waterClassify the mixtures we looked at today as heterogeneous or homogeneous.Time: 15 minutesHomework Read Chem Talk starting on pg. 646Chemistry to Go, pg. 648 #1, 2, 4 (optional)Preparing for chapter challengeDay 4: Properties of MatterLearning Objectives:Compare properties of matter between different substancesChange the properties of substancesDetermine what a composite is and where it is useful in real-life applicationsStarter

StarterIn movies, models of sets or characters are built and then enlarged on the screenIn the movie Ghostbusters, a giant marshmallow man was created that appeared to be as tall as a 10-story buildingEstimate how many marshmallows it would take to build an actual-size giant marshmallow manDescribe how you would make a model for a movie, and then make it appear life-sizeTime: 15 minutesActivity One: Changing the Properties of MatterYou have been given two samples of play doughYou will add something to the second sample and compare the properties between the two samplesCreate a table to record your observationsTime: 25 minutesActivity One (contd)PropertySample 1Sample 2TextureElasticityUniformityBounce Strength MalleabilityActivity Two: Comparing Properties of MatterUse the Understanding properties of matter lab booklet to complete activity 2 and 3Try to calculate the densities of the objects (D=m/V), we will be looking at this in more detail on ThursdayChoose 5 materials to test the properties ofTime: 45 minutesClosing Activity and HomeworkComplete the 2 tables from the understanding properties of matter lab booklet. You can leave the density columnSuppose you were given 2 unknown substances. Describe how you would perform tests to decide how to classify them. Read Chem Talk (pg. 652)Chemistry to go, pg. 654 #1, 2, 4Day 5: Mass and VolumeLearning Objectives:To determine the densities of various liquid and solid materialsMake measurements that are precise Learn the difference between accuracy and precisionRetain significant figures in calculationsStarterCalculate the densities of the materials that you tested on TuesdayWhy does a large log float on water, but a small pebble sinks?Explain the differences between 1kg of feathers and 1kg of stonesTime: 15 minutesActivity One: Finding the Density of WaterFollow the procedure on page 657. Only find the density up to 50mLEstimate what the density should be at 100mL according to the graph you makeTime: 30 minutesActivity Two: Finding the Density of a SolidFind the density of one of the solids provided (procedure pg. 658)Find the volume of a 5g sample, 10g sample and 15g sample.Estimate the density of the substance at 20g, 50g and 100g.Time: 30 minutesHomeworkRead Chem talk, page 660Chemistry to go, pg. 664 #3, 5, 7Day 6: Metals & NonmetalsLearning Objectives:Observe some chemical and physical properties of different materialsClassify materials as metals or nonmetalsIdentify metals that make up common alloys Learn the uses and properties of some alloysCompare the properties of metals and nonmetalsExplore how heat treatments can alter the properties of metalsStarterWhy are frying pans made of metal and baking dishes often made of glass or ceramic?Could a baking dish be made of metal?Could a frying pan be made of glass or ceramic?Time: 15 minutesActivity One: Identifying of different materialsCreate a table to show the different properties of the various materials to be testedTime: 30 minutesActivity Two: The effect of heat on the property of a metalCan we change the properties of a metal by heating them?How many times does it take to bend a paperclip before it breaks?Now add heat to it and see if it changes (let the paperclip cool down before you touch it)What property is this testing?Time: 30 minutesClosing Activity and Homework Discuss the following questions with your group:List 5 properties of metals and 5 properties of non-metalsWhy is it important to prevent the oxidation of metals used in construction?What is an alloy and how are they used?Homework: Read Chem talk, pg. 669Pg. 671-672 #1, 2, 5, 6Time: 15 minutesDay 7: Polymers (60 minutes)Learning Objectives:Make a polymer-based material with different properties weve already looked atObserve the materials properties and compare them to solids and liquidsDiscuss and invent new commercial uses for water-soluble polymersCompare the viscosities of two non-Newtonian fluidsStarterFor much of history, people have used metals, cotton, wood and other natural materials for building, clothing and tools. This has changed dramatically since the 1900s.What materials are polyester and rayon made from? You can use your phone or the computers in the back to help you out.How are they manufactured?Time:15 minutesActivity One: Making Slime Follow the instructions on pp. 673-674Take notes of the properties of:PVA solutionBorax solutionPVA and borax mixed togetherObservations for #1a, 2a, 4a, 5a, 6a, b, 7aTime: 35 minutesClosing and HomeworkDiscuss the following questions with your group:Describe polymers and polymerization in your own wordsName two naturally occurring polymersName 2 polymers that are manufactured using technological processesHomework: Read Chem Talk pg. 675Pg. 677 #1, 2, 3Time: 15 minutesDay 8: Identifying MatterLearning Objectives:Produce coloured flames and identify which metal ion is presentDescribe how atoms create the coloured lightInvestigate ways of producing new colours not among the materials testedStarterMembers of royal families used to have someone test their food to make sure it wasnt poisoned.How could you test for poisonous substances, instead of tasting it?What are the harms for tasting a substance?Time: 15 minutesActivity One: Flame TestsYou will be testing different substances to see what colour the metal ion turns the flameInstead of using wood splints, we will use a metal wire. Be sure to wash off the splint in between each useThe following will be tested:Lithium, Barium, Sodium, Potassium, Calcium, MagnesiumActivity One (contd)SplintSalt SolutionColour of FlameWaterLithiumBariumSodiumPotassiumCalciumMagnesiumUnknownTime: 45 minutes Activity Two: Analyzing the Flame TestWith your group, discuss the following questions:Explain what a flame test doesHow does a flame test show what metal ions are present?What is an ion?How is energy conserved in a flame test?Time: 15 minutes

HomeworkRead Chem Talk pg. 680Pg. 681 #1, 2Preparing for chapter challenge, pg. 682Day 9: Organic SubstancesLearning Objectives:Combust fruit rinds to see what materials are presentRepresent the combustion of hydrocarbons as chemical equationsLearn the formulas and names for simple hydrocarbonsMake 2-D drawings showing the chemical bonding in hydrocarbonsClassify materials as organic or inorganic

StarterAt the grocery store, there is regular produce and organic produce. Organic is often 2-3x more expensive than regular produce.Why might people buy organic if it is more expensive?Does organic mean one thing to shoppers and another to chemists? Explain.Time: 15 minutesActivity OneFollow steps 1-3 on pp. 683-684 in your text book.You will be testing oranges, lemons and cucumbersTime: 30 minutesActivity TwoHydrocarbons have hydrogen and carbon atomsA carbon atom can make 4 bondsDraw the structures for hydrocarbons containing 1-10 carbons. Methane is belowTime: 25 minutes

Activity ThreeHydrocarbons that have only single bonds between the atoms have the ending aneName the structures you just drew, if the prefixes are as follows:1-meth, 2-eth, 3-prop, 4-but, 5-pent, 6-hex, 7-hept, 8-oct, 9-non, 10-decTime: 10 minutesActivity 4Hydrocarbons that have one double bond end in ene. What do you think the names for hydrocarbons with a double bond containing 2, 3, 4 and 5 carbons are?Time: 5 minutesClosing and HomeworkRead Chem Talk (pg. 685)Chemistry to go (pg. 687) #2, 4, 5, 6Test on ThursdayChapter Challenge due on Thursday