The States Of Matter

              Chemical build up is the world around us. We know many of relative things in science. Such as, when  ice melt it is called melting. We have aslo learned things like boiling points of different substances and even the freezing point of them as well.

This is a chart on all of the changes. These changes are called Physical changes. These changes change the look of the substance but not the chemical make up. Some examples are melting and freezing (on the chart). Chemical changes are when you disrupt the chemical make up. There are many ways to do this but some of the ways may be  burning, or rust or even grinding. Using these guidelines we did four labs. The first we watch a lit a birthday candle and we witnessed the physical changes. The candle slowly burned causing it to melt. The solid structure is now a liquid. The chemical change is the flame that created by the wax and the oxygen in the air. In the second lab we did the same thing except this time we used a chemical reaction that blew out the flame. My group added baking soda to vinegar. The product of this reaction of the chemical change was  that carbon dioxide released from the beaker. When the flame was surrounded by the carbon, flame died. In the next lab we use marshmellows. The class held the marshmellow to a Burnsen Burner and burnt part of the marshmellow. Afterwards we tried it, the sugar inside tastes more of a burnt piece of food. we learned the marshmellow was affected by the heat (burning as said above) change the chemical make up of the marshmellow. Lastly we took a sugar and put it in a beaker. My group put it over a Burnsen Burner and heated to about 350 degrees fahrenheit and the sugar turn black. Immediately, afterwards the beaker started to smoke and the smoke turned yellow. My teacher broke the beaker and we saw that the only thing in the beaker left was the carbon. the reason this is true is because the chemical make up a sugar is C₆H₁₂O₆  and so the it is water (H₂O) and carbon (C) so the sugar is 6 times carbon and water. When the beaker was heated the water was evaporated, this left the only chemical left carbon. This can help us in many ways in the real world. One way can be this can be used is if the magma in a volcano need to be heated and scienctists fugure out that is hot from physical changes, and the magma turn more into liquids then we know its going to explode.