GizmosName:HaoLinDate:4 19/24StudentExpJpration Phase ChangesDirections: Follow the instructions to go through the simulation. Respond to the questions andprompts in the orange boxes.Vocabulary:altitude, boil, boiling point, freeze, freezing point, gas, liquid, melt, melting point, phase, solidGizmo Warm-upIn thePhase ChangesGizmo,selectMicro viewand set theIcev o l u m e to50 cm*34. Notice the nitrogen (ft), oxygen (ft), and water ( P) molecules.Click Play (►) andobserve water moleculesinthesolid(ice),liquid(water), andgas(air)phases.1Inwh ich ph ase(s) are th emoIecuIes held rigidly togeth er?The solid phase is when they are held rigidlytogether2.I n w h i c h p h a s e ( s ) d o t h e m o l e c u l e s m o v e freely ?In the gaseous phase, they move freelyThey are held ina defined shapewhenasolidTh ey take th e sh ape of th eir co ntainer wh enit is a liquid or a gas3.In which phase(s) are the molecules held in a definedshape?4.In which phase(s) do the molecules take the shape oftheir container?Preview Mode
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