- Compare the readings of a real, commercially-available barometer outside with those of a
barometer inside. (Alternatively, use the newspaper or web-based weather forecasts to obtain true
pressure readings).
DATA TABLE:
Day
Home Made Barometer
Reading
Actual Barometer
Reading
Description of Day’s
Weather
1
2
3
4
5
Questions:
- Explain how this barometer works:
- Why is it important to make sure that the balloon is affixed tightly (no air leaks) to the coffee can?
- Study the data you have collected. What is the relationship between the...
a. your barometer readings and actual barometer readings?
b. current weather conditions and your barometer readings?
- If you were to redesign the barometer, what improvements would you make and why?