Mathematics and Society - OS X Lion Server

Materials Needed:REW.ii~W~EXPEj;2IENCEIce cubes, warm water, Celsius thermometer, stirrer, watch and aglass or cup(I 1) Fill the glass about 2) Add a couple of1"2 full of water.ice cubes andstart stirring.Read and record theItemperature every "2 4) If the ice cubesminute ..melt too fast addsome more.In the chart below record the startingtemperature and the new temperaturesevery1minute after you begin stirring.5) When the temperature hasn'tchanged in four readings-­stop.LI;:NGTH OFTIMESTIRRED Ill! MINUTESTEMPI;:RATURE: It-.)DEG.RE.ES CE.L~\USSTARTI1 1.1- ?. 2~ 3 3~ t+ 4.1- 5 5'~2: 2- 2 2:\(IIa graph like the one to the left, plotting the information you gathered inDRAW THE STRAIGHTLINE. WHICH BESTFi,S YOllRPOIl\lTSi I l~ 2. 2i 3 9i 4- l.f~ 5 5~ GTIME IN MINUTESIII You be the scientist.part I.How much did the temperature dropin the first minute?in two minutes?in five minutes?Let the horizontal axis be time andthe vertical axis be temperature as shown.in thirty minutes?Can you explain why the water and ice cube mixture didn'tget colder than O°C? (346