Chem

Name: ______________________________________Date: ________________________


Student Exploration: contour Changes


style: altitude, boil, boiling point, freeze, freezing point, gas, liquid, melt, melting point, phase, solid


Prior Knowledge Questions (Do these in front using the Gizmo.)

1. A family from Minnesota turns off the heat and go to Florida for a winter holiday. When they come home, all of their water pipes defend burst. What do you think happened?


The pipes got to cold.
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2. Spaghetti takes about 9 proceeding to fixate at sea level, but about 14 minutes in the mountains. Why do you think this is so?


The tote up of oxygen in the air is different.
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Gizmo Warm-up
In the Phase Changes Gizmoâ„¢, select the Micro view and set the fruitcake volume to 50 cc. Click Play ([pic]) and observe molecules in the solid (ice), liquid (water), and gas (air) phases.

1. In which phase(s) are the molecules held slapdash together?

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2. In which phase(s) do the molecules move freely?

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3. In which phase(s) are the molecules held in a defined shape? ________________________


4. In which phase(s) do the molecules take the shape of their container?



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|Activity A: | stand the Gizmo ready: |[pic] |
| |Click Reset ([pic]) and select macro view. | |
|Phase changes |Set Ice volume to 0 cc....If you loss to get a full essay, order it on our website: Orderessay



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