Have your students explore other variables that can affect the strength of an electromagnet by using materials brought from home or found elsewhere in the school.Ĭurricular competencies Questioning and predicting Challenge them to think about other variables they might like to test.
Ensure that they are filling in their worksheets as they test. Have students test their hypotheses by changing something about their electromagnet and seeing how many paper clips it can hold.
Encourage them to write their hypotheses using “if, then” statements.
#ELECTRO MAGNET HOW TO#
On their worksheet, have your students write a hypothesis on how to make a stronger electromagnet.Gather the students and talk about different ways they could increase the number of paper clips their electromagnet can hold.Hypotheses and testing the electromagnets Continue to hold paper clips close to the nail and, using the chart paper and felt pens, keep track of how many paper clips each student's electromagnet is able to hold up.Then hold one of the steel paper clips close to the nail. Place the electromagnet close to the edge of the table or desk so the nail hangs over the edge.Connect the ends of the coil to the battery using the insulated alligator clips.Use the sandpaper to scrape away the enamel coating at both ends, exposing about 2 cm of copper wire.Wrap the wire tightly around the nail to create a coil, leaving 6 cm of wire sticking out at each end of the nail.They should complete the " Build an electromagnet" worksheet as they follow the below steps. Students will work individually to create an electromagnet.All of the things that can be different in an activity are called “variables” and in science the objective is to control all of those variables.This can be done by using the same ball and shooting at the same hoop and from the same line.How would they make sure that no competitor has an unfair advantage?
#ELECTRO MAGNET FREE#
Part of this activity involves your students competing to see who can create the strongest electromagnet.Disconnect the circuit every two minutes to allow it to cool down.When connecting and disconnecting the wires from the batteries, only touch the rubber parts of the alligator clips.Metal components in the circuit you are building will get warm during the activity, so don’t touch the batteries, alligator clips, coil, or paper clips.I am ALSO saying that making your film-making grade dependent on such an engineering challenge is wrong and you need to appeal to a higher authority to get this corrected.If you can, try constructing your own electromagnet beforehand so you understand how it’s done. i won't get my degree if i fail this project. We where giving a tight budget, a script that has to be followed by the letter and it's up to us to make it happen. I definitely AM saying that making an electromagnet that strong is beyond your skill set and budget. I'm not saying it can't be done, because an MRI machine has an electromagnet that's at least in the right ballpark, if not actually strong enough (I understand they'll pull ferromagnetic objects from that kind of distance, but a phone doesn't have a lot of ferromagnetic material in it).
#ELECTRO MAGNET PROFESSIONAL#
Whoever told you to make a real electromagnet to do this literally does not know what they're talking about.ĭo not worry about safety because everything has to be approved by a community of professional before it's done.Ī magnetic field of this intensity is inherently a safety hazard, no matter how the machine is built. You cannot do this on a tight budget, unless maybe you already have some superconducting cables and liquid helium lying around. I'm only inquiring because this is the only solution i could think of within my tight budget.
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