| Front | what is temp of gas related to? |
| Back | average ke |
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| Front | how does a van de graaff generator work |
| Back | -contains moving belt-electrons pass from plastic roller at top onto belt-at bottom roller, electrons pass off belt and are transferred to earth-so top region becomes positively charged (where dome is) |
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| Front | how do double glazed windows reduce unwanted energy transfers? |
| Back | -air gap between 2 windows-to prevent energy transfer by conduction through windows |
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