Today my mom, me and my sister were playing Halo downstairs. Upstairs my dad was watching Gossip Girl on TV. MLIA
November 2009
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Today, in my chemistry class we were playing with liquid nitrogen. When class was almost over, our teacher told us to line the halls outside while he flung liquid nitrogen all over the ground, creating a foggy mist about six inches of the ground. He then dismissed us and as we walked through the mist, he began to play the Imperial March from Star Wars through his computer. I have never felt so cool in my life. MLIA
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The more I read about Twilight, the more I’m convinced the human race is doomed.
Why doesn't glue stick to the inside of the bottle?
Glue is made up of a substance that sticks to things and a solvent that keeps it liquid until you want it to stick. When you put glue on a piece of paper, the solvent gradually evaporates until the glue becomes sticky. When the glue is in a bottle, there is a space inside the bottle above the liquid that is full of air. So why doesn’t the glue dry out? Well there’s a limit to the amount of solvent that can evaporate to fill the space in the bottle. Once the space is full of solvent gas, no more solvent evaporates from the glue and the glue stays runny.
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Asked by marleevalencia
