Periodic table W.A.C 09/25/17

Have you ever wondered how the periodic table came to be? The periodic table is the place where you can find every element that had been discovered so far. There were three big changes to the periodic table and those three changes is what I will be talking about. These new changes to the periodic table has been due to recent discoveries like noble gases.

The first periodic table was cylinder like. The table had helical graph wrapped around the cylinder. The list was published without any graph and It also used geological terms, it also included compounds on the list. Since it was published with things like this the table itself was completely ignored until the work of mendeleev.

The second periodic table was organized into groups of three called triads. A triad is three elements that are similar so they were grouped together based on that. The table had all of the known elements at the time which was 62. All similar elements were put into a single column even if two elements were going to be in a single box. The table left no room on it for any newly discovered elements.

The discovery of the proton made this the most modern and accurate of the versions of the periodic tables I have talked about. The discovery of the proton led to the discovery of the nuclear charge (atomic number). The atomic number (number of protons) changed the organization of the table to fit that way going from 1 to 10 and so-on. The periodic table was based on the periodic law.

The periodic table has changed a lot due to recent and not-so recent discoveries by amazing people who have change the world a lot. These changes occurred after someone made a discovery which in turn could lead to more discoveries like plutonium and the noble gases. We have to change the periodic table a lot because we have to get the most accurate data possible so we don’t make false discoveries.

Istopes 09/17

http://imgarcade.com/anion-cation.html

Summary this week in class we learned about:Isotopes, Cations, and Anions. Isotopes are atoms that have lost or gained electrons most of the atoms in the world are isotopes. If an atom loses and electron then it becomes a cation since cations hove lost electrons they have a positive charge. If an atom gains electrons then it is an anion since anions have lost electrons they have a negative charge. Since all isotopes have lost or gained electrons that would make then ions which are atoms that don't have a neutral charge.


SP2: Developing and using models
This week in class we had been working with models on making an isotope and showing how making an electron move into or leave the atom affected the atom. The information that we gathered was that atoms usually become unstable after losing or gaining an electron, we also could tell how many electrons were lost or gained in the atomic abbreviation this information proved to be useful in further work that we did in the class like worksheets.

Atoms 09/08

https://www.livescience.com/37206-atom-definition.html

Summary: This week in class we learned about atoms. Atoms are the things that make up all of the elements and all of the matter that exists or has ever existed. There are three main parts of an atom: The Proton, the Neutron, and the Electron. The proton has a positive charge it also controls the element and atomic number of the atom. The neutron has a neutral charge and balances out the atom also the number of protons plus the number of neutrons is the atomic mass. The electron has a negative charge and for every positive charge in the atom the electron cancels one out.

SP2: Developing and using models

This week in class we went to a website about making atoms. On the website we made a model atom we had ten protons, 13 neutrons, and 10 electrons to work with. We got to see the atomic mass and charge on the atom as well as the element based on the amount of neutrons, electrons, and protons we had added. Sadly, we could only put 3 elements on our worksheet even though I am interested in them all.

Scientific method 09/1

https://www.pinterest.com/lorilynntrimble/chem-scientific-method-variables-graphing/

Summary: This week in class we learned about the scientific method. The scientific method is how scientists ask and test various questions. We use the scientific method to provide a basic outline on how humans gather information. At the end of the scientific method it is important that you share the information you gathered so you may benefit the human race as a whole.

SP5: Using mathematics and computational thinking

This week in class we used computational thinking to predict how long it would take for our whirly bird to reach the ground. After we had done that we had to calculate the average time that it would take for the whirly bird to fall to the ground.

Clean Cities 05/18

https://en.wikipedia.org/wiki/Minneapolis

Summary: This week in class we learned about different clean cities. Some clean cities include: Minneapolis, Fresno, Budapest, and Toronto. These clean cities all followed the environmental accords. The environmental accords are rules that cities must follow to regarded as a clean city, there are 21 actions in the environmental accords.

Backward-Looking:
I did not know anything about clean cities before the project. This made it especially hard for me to do the project so I had to do more research than usual. The good thing about that is I learned more about clean cities than if I had already knew about them.

Inward-Looking:
What I found frustrating about this project is that some of my teammates were not always working. Most of the time they were just sitting there doing nothing. When they did work it was not very much so it was hard for me to finish If they worked a little more I would make the project really easy and we would not have as much trouble finishing the project.

Outward-Looking:
If I could give this project a grade I would give it an A-. I would give it this grade because of the teamwork that we did. The teamwork in our group was not very good two members of the group decided to do a city without the other two, because they were not paying attention then we got to do that city. Our end result was awesome though

Forward-Looking:

One thing I would like to improve upon is my teamwork with most kids. During the project some kids were complaining about another student and I because we were doing a lot of the work. I feel like shouldn't do all the work for the students as this makes then feel bad. If I stop doing that then the kids on my team will feel better.

Environmental Agreements 05/14

http://www.batteryman.energy/environmental-upgrade-agreement/

Summary: This week in class we learned about the environmental agreements. An environmental agreement is something you do in an urban village to make it environmental friendly over a certain period of time. These agreements can be anything from reducing water usage to making more public transportation. FUN FACT: There are a total of 21 environmental agreements in total

SP6: Constructing explanations and designing solutions
This week in class we constructed a explanation by choosing an environmental agreement and saying what it was in my teams words but also saying how we will comply with the agreement. When we designed the solution on how we are going to comply with the agreement we had to say what we would do and why this helps it comply with the agreement.

Phosphates 05/07

http://pondplace.com/phosphate-about.aspx

Summary: This week in class we learned about phosphates. Phosphates are what is used in fertilizer to make the plant grow faster. If it is dumped in to a lake then it help the algae (water plants) grow faster. If the algae grows faster it makes more oxygen but when it dies it takes away oxygen. If there is too much oxygen being taken away then the fish die off.

SP3: Planning and carrying out investigations
This week in class we did an experiment on phosphates. We tested water by putting it in a small container with another liquid. If the water was orange then it was okay but if the water is black then it is not okay. We also looked for bio indicators in the water, and we also looked at the bird populations over time.