Agua creciente
Approximate time to complete: 15-20 minutes + questions and journal time Purpose How strong is air pressure? Can it push liquid through a barrier? Materials…
Globo en el congelador
Approximate time to complete: 20-30 minutes + waiting time + questions and journal time Purpose Is air pressure affected by temperature? I wonder what would…
La succión y la bolsa en la copa
Approximate time to complete: 5-10 minutes + questions and journal time Purpose Suction cups work because of air pressure differences. I wonder if I am…