What is the correlation (connections, similarities, changes) between pressure and temperature as well as the state of matter you are changing?
What causes the lid to blow off? What patterns do you see?
I think that the lid blew off because of the pressure inside of the pot and because of the molecules of some substance were moving around so fast as the temperature rises that the lid blows off. I see that in almost every one that at a certain point the lid blows off.
What happens to the molecules when you decrease or increase the temperature? What about pressure?
When you increase the temperature the molecules move much faster and bounce off of the walls of the pot. When you decrease the temperature the molecules slow down or if it is at a freezing point the molecules stop moving completely! If you add pressure to the pot it depends on how many molecules are in the pot, if there are a lot of molecules then it would be easier to blow the top because it wouldn't have any more space to spread.
What if the temperature doesn't change, but you compress the matter inside the pan?
If you did the top would blow of because you would compress it and the molecules wouldn't have any space to move around so they would have to escape.
Wednesday, December 8, 2010
Wednesday, November 24, 2010
Tuesday, November 23, 2010
New Highly Stable Fuel-Cell Catalyst Gets Strength from Its Nano Core
http://www.sciencedaily.com/releases/2010/11/101110101325.htm
Published by: Science Daily
Date when published: Nov. 12, 2010
In this article it is basically talking about how the scientists are making new and improved fuel-cells that are stronger than the other ones that we used before the scientists came up with the new fuel-cells. And the new ones are now not only more more stable but stronger to. Now, scientists at the DOE (U.S. Department of Energy) have made something that uses only a single layer of platinum and it makes it more harder to brake it and minimizes the risk of it tearing and wearing off.
Here are some things of the quotes from this article:
"Our studies of the structure and activity of this catalyst -- and comparisons with platinum-carbon catalysts currently in use -- illustrate that the palladium core 'protects' the fine layer of platinum surrounding the particles, enabling it to maintain reactivity for a much longer period of time," explained Brookhaven Lab chemist Radoslav Adzic, who leads the research team.
"This indicates the excellent durability of this electrocatalyst, especially when compared with simpler platinum-carbon catalysts, which lose nearly 70 percent of their reactivity after much shorter cycling times. This level of activity and stability indicates that this is a practical catalyst. It exceeds the goal set by DOE for 2010-2015 and it can be used for automotive applications," Adzic said.
Published by: Science Daily
Date when published: Nov. 12, 2010
In this article it is basically talking about how the scientists are making new and improved fuel-cells that are stronger than the other ones that we used before the scientists came up with the new fuel-cells. And the new ones are now not only more more stable but stronger to. Now, scientists at the DOE (U.S. Department of Energy) have made something that uses only a single layer of platinum and it makes it more harder to brake it and minimizes the risk of it tearing and wearing off.
Here are some things of the quotes from this article:
"Our studies of the structure and activity of this catalyst -- and comparisons with platinum-carbon catalysts currently in use -- illustrate that the palladium core 'protects' the fine layer of platinum surrounding the particles, enabling it to maintain reactivity for a much longer period of time," explained Brookhaven Lab chemist Radoslav Adzic, who leads the research team.
"This indicates the excellent durability of this electrocatalyst, especially when compared with simpler platinum-carbon catalysts, which lose nearly 70 percent of their reactivity after much shorter cycling times. This level of activity and stability indicates that this is a practical catalyst. It exceeds the goal set by DOE for 2010-2015 and it can be used for automotive applications," Adzic said.
Thursday, November 18, 2010
Worm goo conection to corn starch!!!!
In the experiment for the worm goo and the corn starch i saw that the worm goo was instant, and so was the corn starch, but i still think that the worm goo was more instant and faster turning into a solid than the the corn starch did when it turned into that mysterious goo. It took longer for the corn starch to mix with the water because the water was a liquid when it hit the corn starch and the corn starch was still a solid!! So there for the corn starch had to be mixed with our hands or the spoons to make it the actual goo!! So when the liquid (the worm goo) pored into the other liquid it turned into an instant solid!!
Tuesday, November 16, 2010
Microsensors Offer First Look at Whether Cell Mass Affects Growth Rate
http://www.sciencedaily.com/releases/2010/11/101115131125.htm
Published on Nov. 15, 2010.
By: Science Daily
University of Illinois students are using a new kind of microsensors to answer one of the questions in biology.The relationship between cell mass (depending on how much mass your cells have) and growth rate (depending on how fast you are growing). Here is what Bashir, who also directs the Micro and Nanotechnology Engineering Laboratory at Illinois said. "It's merging micro-scale engineering and cell biology," said Bashir, who also directs the Micro and Nanotechnology Engineering Laboratory at Illinois. "We can help advance biology by fabricating new tools that can be used to address important questions in cell biology, cancer research and tissue engineering." He basically said the we can help make biology advanced by making new tools that can be used to address important questions in cell biology, cancer research and tissue engineering. "As you make the structure smaller and smaller, it becomes more sensitive to the mass that's placed on it," Bashir said. He is very right! Just like when today in science class we saw how much water droplets could fit on a penny! The smaller the serfus area(in this case a structure) the it becomes more and more sensitive to the mass that is put on it!
Published on Nov. 15, 2010.
By: Science Daily
University of Illinois students are using a new kind of microsensors to answer one of the questions in biology.The relationship between cell mass (depending on how much mass your cells have) and growth rate (depending on how fast you are growing). Here is what Bashir, who also directs the Micro and Nanotechnology Engineering Laboratory at Illinois said. "It's merging micro-scale engineering and cell biology," said Bashir, who also directs the Micro and Nanotechnology Engineering Laboratory at Illinois. "We can help advance biology by fabricating new tools that can be used to address important questions in cell biology, cancer research and tissue engineering." He basically said the we can help make biology advanced by making new tools that can be used to address important questions in cell biology, cancer research and tissue engineering. "As you make the structure smaller and smaller, it becomes more sensitive to the mass that's placed on it," Bashir said. He is very right! Just like when today in science class we saw how much water droplets could fit on a penny! The smaller the serfus area(in this case a structure) the it becomes more and more sensitive to the mass that is put on it!
Sunday, November 14, 2010
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