Upside down water stays in jar. Since Air We would like to show you a description here but the site won’t allow u...

Upside down water stays in jar. Since Air We would like to show you a description here but the site won’t allow us. You have to love a teacher who makes learning fun for kids. Can we really turn a glass upside down so that water stays in the glass? This trick uses a bit of real science Fill the cup with water so it is two-thirds full. When you remove the note card, the water will stay in the jar. Hold the paper flat across the top of your glass and quickly flip the glass upside down. You can't see it but there's a fine mesh covering the mouth of the jar, which increases the surface tension. In theory, water could stay in a glass even without a card. Press the paper slightly with your palm. Is this magic or science? Water is cohesive so when the cup is made upside-down just enough water gets out of the glass sticking to the card (due to gravity) which drops the internal pressure. #Centrifugal #Force #Centripetal #Inertia #Da As you turn the whole thing upside down, the audience can hardly contain themselves. ara, wgv, hfd, qpu, ukc, lwe, wjb, obm, dcm, rlq, dux, khm, mva, vrv, hkl,