Rearrangements of Atoms. Elements, Compounds, and Mixtures 4/2/17

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Summary: 
So what is an element? An element is a pure substance that cannot be separated into simpler materials. A pure substance is a sample of matter that only contains one type of atom. Now, the compounds. A compound is created by two or more different pure substances that are joined by chemical bonds. Compounds can not be separated by physical means. Separating compounds requires a chemical reaction. A mixture is two or more elements or compounds. These are not chemically combined. There are two types of mixtures. A heterogeneous mixture is the least mixed mixture and is the easiest to take apart. A good way to visualize this would be a pizza. A homogeneous mixture, also known as a solution, can be separated by physical means.  A solution could be soda or milk. Something similar to mixtures are colloids. A colloid is when the particles are not dissolved, but they are mixed. 

S&EP- Conducting Investigations:
 We played a game were we were creating chemical reactions. This was all about looking around the room to find the elements and testing out the different combinations to create the compound to make it to the next level. It was like a big puzzle where you have to find the right fit. As a table, we got to room 8/10 which was not bad, but I wish we got finished with it. The game was fun, but was easy to mess up sometimes.

XCC-Cause & Effect: 
A chemical reaction is a process in which one set of substances are rearranged into a new one.  In the game mentioned before, we had to combine different compounds to get what we needed to activate the sensor. By writing down the formula you could really see how the different parts of the compound were rearranged and what caused it. Sometimes it was heat or it was leaving the compounds together. Ways to tell if a chemical reaction was caused is if there is a change in color. Another tell is if there is a new odor or it begins to bubble. If it fizzes or creates gas, it is having a chemical reaction. Heat can cause a chemical reaction. There is what causes the chemical reaction and the effect or way to tell that it occurred.

 Multiplier: This week I was a wanderer. This is because I shared information I found/learned with my teammates so we could all understand the topic better.



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