Here is Adam and Richard's final bridge. The first pic is what it looked like last night when they finished putting it together. Tonight they sanded the bridge and drilled holes in it to make it lighter. His ex-Chemistry teacher must really like Adam because she let him bring home her ($300) electronic scale to measure the bridge as they were sanding it and drilling the holes in it. Adam says the final weight is 24.8 grams.
Apparently not everyone signed up for all the projects and they were given this additional one to create. It is called a water clock. He and Richard were busy doing math calculations all evening trying to figure out how to create this clock so that so much water would flow out in 5 minutes. It's almost midnight, Richard has gone home and Adam is still at trying to get it just right. I've been in the kitchen several times now and either the water emptied in less than 5 minutes....or it took over 5 minutes to empty. The pic shown below has the water draining from the bottom, which emptied too quickly. They changed it to have it drain from the side (see video) and then it took too long! His next step was to shorten the tube that comes out the side. I asked him if they give them any leeway, like 10 seconds either way. He said they would be penalized 100 points for every 10 seconds....there goes that idea!! I hope he figures it out soon...he needs to be at school by 6:30 a.m. in the morning!
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