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Unit 4: Atoms
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How can we know what something is like if we cannot see it?
We use others senses as indirect evidence. For example, the Thomson experiment, he couldn’t see the atom but he knew from what happened in the experiment that atoms existed. He knew that the atom had a negative charge. Things we cannot see, can be tested with different experiments.
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How is the development of the atom an example of the nature of Science?
In Science things are always being tested, retested, changed and measured. This happened with the atom. Dalton discovered it, but Thompson continued to test and measure experiments the same way Dalton did, but as he repeated and changed things, he discovered new things about the atom. For example he discovered the electron.
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How does the structure of the atom affect its properties and behavior?
The structure of the atom affects its poperties in two ways, Phsical and chemical. It affects what it will react and bond with. If it is made up with a certain number of electrons it can only bond with a elements tom make it to a full outer shells. It can also change the elements mass(atomic mass) because if it fill full outer shells then the number of proton and neutrons change the atomic mass changes of atoms. Inaddition, Atomic structure changes the way the element acts in two ways as I already mention. In phicical such as boiling point and melting point ect and Chemical is the type of bonding depends on the atoms—there are three ways of bonding Ions,covalent and metallic. For example, water is two hydrogens and one oxygen bonded covalently, and a macroscopic sample of water is (at room temperature and atmospheric pressure) a liquid with a high surface tension and specific heat that when frozen is less dense than liquid water. Which is why ice floats. Which is why we have an arctic peninsula for polar bears and seals to live on.
1) How does what you learned connect to the real world?
This unit is really helpful because I have learned about the history of the atom. For example, what is the structure of atoms, who have done the experiment. Also, it connect to the real world because every matter in this world made of atom.
2) How did you develop or grow as a student through this unit?
I did learn more information about thomson's model and explain in the video. It's really helpful because I can communicate with other people easier and talk with my friens to share knowlage of the history of atoms.
3) As you look at the work you have completed throughout this unit, what are you strengths?
I think my strengths are I'm able to explain more information about thomson's model and I can learn as a independent leaner. I alwas ask questions to make sure that I'm understand and I can work better on makeing video more than take note becuase in the video I have to make sure that I understand everything what I have written down.
4) As you look at the work you have completed throughout this unit, what do you think you could improve?
I think things that I could improve is to make sure that to take time and study other videro but I wish that every one put alot of effort to work on it because the video that we do is the things that will teach us and prepare for the test.
5) Evidence Atomic Model Mitosis