Science of Natural Gas Exit Ticket
Summary
Students respond to a two-part prompt asking them to connect natural gas furnace efficiency to household energy costs and carbon dioxide emissions. Works as a quick formative check at the end of a natural gas lesson or unit for high school science or APES.
How could making natural gas furnaces more efficient affect:
- The amount of money households spend on energy?
- The amount of carbon dioxide released into the atmosphere?

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