***IMPORTANT*** You want to read the "hint" on the first slide of the PPT file to know where you can find answers for some of the questions. This take-home exam is aiming to refresh your memory about what you learned in 6th and 7th grade in order to prepare you for the coming Science State Exam on May 17th. You should copy down the questions and CLEARLY label your answer. You don't want to print it because a PPT file will require a lot of papers (unless you want to waste your paper). You will lose 20% of whatever you get if you don't follow directions!
The take-home test is uploaded at 12:10 PM on Monday 4/10/2017. It will be up for 48 hours until Wednesday at 12:10 PM. You need to write down the question and the answer you choose. DO NOT WRITE DOWN ALL THE CHOICES.
7th Grade: Your report will be due on Wednesday (2/22). You should include the scientific classification of the species, the existing period, facts in your 2 page typed report. You should also include a page for references and a page of the picture of the species, hand-drawn. Your report is worth 100 points. It will break or make your 3rd quarter grade. 8th Grade: You will be joining with your classmates on Friday (2/ 24) to decorate the part of the wall that represent your era. Do not let your class down. You will be given two grades, an individual grade and a class grade. Make sure you do your part so your class does not suffer. The List below shows what I have for which species you choose to do.
Bring your notebook. I need to check your notes when you are taking your test. Remember I don't take late assignment.
A typed 3-pages report on one of the following topics:
1. Sputnik 1 2. Sputnik 2 3. Vostok 1 4. Mercury Freedom 7 5. Apollo 11 6. International Space Station You are required to type the report based on the mission, not the biographis of the astronauts involved (if applicable). You need to use your own words, no copy-and-paste is allowed. You should also include a 4th page as Reference that includes where you find the infomation. If it's a website, show me the link. If it's a book, show me the book title, author, and page numbers. The project will worth 50 points and it's due at the first day of school affter break. NO LATE WORK WILL BE ACCEPTED! *****If you TURNED IN your grading checking sheet, you can pick one more, make a total of two reports, to get 20 points extra credit in Project Category (Project is 35% of your total grade).***** Use Keplar's 3rd Law to determine the orbital periods of the planets in our Solar System.
You need to show your work of how you calculate the orbital periods.
The powerpoints are based on internet sources.
Nuclear fission was first discovered by Otto Hahn and his assistant Fritz Strassmann. Fission does not naturally take place in nature. It is created by man through the process of aiming a neutron at the nucleus of an unstable atom. A neutron is a subatomic hadron particle that has no electrical charge.
In 1929, Robert d’Escourt Atkinson and Friedrich Houtermans discovered nuclear fusion by following Einstein’s Theory of Relativity. Fusion can either be created by man or it has a natural occurrence. An example of a natural fusion would be the energy that powers the Sun. This occurs when hydrogen and helium in the Sun collide together and in turn it affects the source of all weather related events. When fission occurs, tiny radioactive particles are dispersed into the air. Radioactive particles are also known as nuclear decay which can be extremely harmful to man, animals and plants. With nuclear fusion, there are no radioactive particles involved. The amount of energy that is released by fission is a million times greater than the energy that is released in chemical reactions. However, even with the amount of energy it releases, it is lower than the energy that is released by nuclear fusion. The atomic bomb is the result of nuclear fission. The hydrogen bomb is the result of nuclear fusion. However, in the hydrogen bomb, in order to first trigger the bomb, a nuclear fission must first occur which is why the hydrogen bomb is even more powerful than the atomic bomb. If you have heard of a nuclear energy plant, the type of nuclear that is being used is fission, with uranium being the primary fuel used. This is why many people are opposed to nuclear plants because should there be an explosion, radioactive particles will be dispersed into the air, potentially killing everything with a radius of the plant. Hydrogen isotopes (deuterium and tritium) are the primary fuels used in fusion plants. However, more testing is needed as using energy from the results of nuclear fusion is harder to maintain than fission. For each of the following ten questions on nuclear fusion and nuclear fission, see if you can find the correct answer to each question. Top of Form 1. When you split an atom into two or more smaller atoms this is known as _____. o atomic reaction o fusion o fission o nuclear explosion 2. This type of bomb is the result of nuclear fission. o Fusion o Atomic o Nuclear o Hydrogen 3. This is a subatomic hadron particle that has no electrical charge. o Neutron o Proton o Nucleus o Electron 4. This is the primary fuel used in fission. o Hydrogen o Tritium o Uranium o Helium 5. This is the very basic unit of all matter. o Neutron o Proton o Nucleus o Atom 6. This means a merging of separate elements into a unified whole. o Fusion o Atomic o Fission o Hydrogen 7. Atkinson and Houtermans discovered nuclear fusion by following ______ Theory of Relativity. o Boyle's o Newton's o Einstein's o Aristotle's 8. This means a splitting or breaking up into parts. o Atomic o Isotopes o Fusion o Fission 9. This is one of the primary fuels used in fusion. o Helium o Deuterium o Uranium o Hydrogen 10. This type of bomb is the result of nuclear fusion. o Hydrogen o Atomic o Nuclear o Neutron Read the attached articles: The Science of Fireworks.
Answer the following questions (based on what you learned in class)
1. What's the difference between compound and mixture? 2. What is an ion? 3. What is ionic bonding? 4. What is covalent bonding? 5. Why metals conduct electricity?
Write the answers on separate sheet of paper. You will need to turn those in on the day of the test (9/22 Thursday). It will worth 30 points as homework.
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