Our children learned as following scientific facts through making natural soda-pop.
1. Gas solubility is high when higher pressure and lower temperature.
Needed materials : Bottle with lid not to leak air. If wrap the lekage of bottle, it will be higher pressure.
And, ice can be lower temperature in bottle.
Citric acid can be extracted from the juice of oranges, lemons but you can buy it easily from drug store.
And baking soda ~ The bubbles coming up from the bottom of bottle is "Carbon dioxide" gas.
and orange to add taste.
No comments:
Post a Comment