Magnet

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    The day before in class I’ll see what words students think of when they hear the term magnets. I’ll then explain that every magnet has a north and south pole. Finally I’ll demonstrate what happens when like poles are brought together and what happens when opposite poles are. I will continuously go around the room from group to group to make sure the students are on task and understand what their objectives are. The last ten minutes of class each student will answer 5 simple questions on an exit slip. I’ll start class by demonstrating the activities so the students understand what to do and won’t jump any without understanding it. They’ll also be given instructions that will walk them through step by step. I have put the instructions below in paragraph form so the…

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    Magnet Pre Assessment

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    The pre-assessment for the magnet unit was a multiple choice/fill in the blank ten questions written assessment that students were asked to complete to the best of their abilities. This assessment was utilized to assess students’ general knowledge of magnets before beginning the unit. However, since the South Carolina State Standards do not require students to study magnets until second grade, I did not expect students to score high on this pre-assessment. After viewing the data collected…

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    Temporary Magnet Essay

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    CHAPTER II. REVIEW OF THE RELATED LITERATURE A. Temporary Magnet Temporary magnets are those that essentially demonstration like permanent magnets when they are inside a strong magnetic field (Jezek, 2015). They are not like permanent magnets when it's not around in a magnetic field because it loses its own magnetism. Temporary magnets cannot remain magnetized on their own (Boyer 2017). Paperclips, press nails, and other comparative things are cases of temporary magnets. Temporary magnets are…

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    Do magnets have prefered working temperatures? From electronic devices to letters on the refrigerator, magnets exist in almost every room at home, in school, and in the workplace. Some magnets are used as sorters, memory storage, or even just to hang things on the fridge. Yet, how much is even known about these magnets and what they do? Has anyone ever wondered if these magnets have prefered working conditions, like temperature? Or if they work better in hot or cold environments? “In ancient…

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    There were examples of this use in our classroom that students referenced during the class discussion. Additionally, students described magnets being used on their refrigerators to hang their artwork, notes, and/or pictures. Several students discussed toy trains that connected by using magnets. Although these are perfect examples of how many people use magnets in our everyday lives, my desire was for students to learn about ways that magnets make a big impact because of the way they are used…

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    Explain How Motor Works

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    works. Fig. 1 shows the parts of the motor. In this motor, there are two field magnets on each side coil with wire. These two field magnets always have opposite polarity. On the middle of the motor there is an armature, two commutators and two brushes. When current flow though the two brushes, one of the brushes touches commutator plate 1 and the other brushes touches commutator plate 2. Then the armature A and armature B turn in to field magnets, because when the current flow though iron that…

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    Evaporation Lab

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    atoms/elements can be found on the periodic table separately. That magnetic means attractive force to a magnet and, that Iron powder is magnetic. Magnetism is a physical property because it is a reversible property and it can be observed without changing the substance into something new. Solubility is the ability to dissolve in water and salt is able to dissolve in water. Solubility is a physical property because its reversible, it changes in size and shape, and it can be observed without…

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    Let’s say a coil wound on an iron core. A current is applied and flux is produced. When the current is slowly increased and the values of B are plotted against H will us a B – H graph from 1 to 2 like in the diagram above. At point 2 more increase in current would not produce an increase in B and therefore the current is said to be saturated. When the current is turned off at this point, the iron core will stay magnetised and form a permanent magnet. When the current is slowly reduced from the…

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    static/magnetic/friction forces and see how the force affect the object. Student will see that the object that gained the static charge will attract/stick to the other objects. Lesson 3: Predicting and testing magnetic force Learning Objectives: Students will be able to predict, test the results, and explain the magnetic force. Student will be able to identify which object is magnetic and nonmagnetic after the experiment. Content: Magnetic and nonmagnetic objects: collected from…

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    Magnetism Research Paper

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    individual atoms that each have the properties of a microscopic magnet. The atoms in steel naturally tend to get together in tiny little groups called domains, and within each domain the atoms tend to point in the same direction, which makes the domains behave like a tiny little bar magnets just like the kind you have probably played with at school. The needle of a compass is also a bar magnet, and we know what this does: it points north because it likes to line itself up with the magnetic…

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