Recent content by natureteacher

Ray, I haven't tried this experiment in sunlight, but I have done it with a heat lamp with a bulb of 200 w. I use one heat lamp, and I place both bottles at the same distance from it; everything is the same except one bottle has baking soda in it (I place the same amount of vinegar in both...

I've gotten it to work. I had to make sure that the bottles were completely sealed (the modeling clay works), and I used a heat lamp and baking soda and vinegar as my CO2 source. I've gotten differences of as much as 10 degrees between the bottle with high CO2 and normal CO2. However, I don't...