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How Electromagnets Work
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Research the Maglev train R R S Interdisciplinary Topic: Magnets & Electromagnets |
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How does the strength of the magnetic field change as the number of turns in the coil is increased?
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Test if the number of turns of wire will affect the amount of electricity in a circuit (induction). R What factors determine the strength of an electromagnet? R R R R R R R R R R R Build a simple telegraph set? R R How do loudspeakers work? S
Interdisciplinary Topic: Magnets & Electromagnets |
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Use an online NASA simulator to design your own ion engine.
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Build a simple electric motor and to determine which motor design produces the fastest rate of spin. R Build a simple DC motor using an electromagnet and a reed switch and explore the effect of voltage on motor speed. R Find out if the existing rail infrastructure in the United States could be changed into a rail system powered by electromagnets rather than diesel engines. R Does Temperature Affect the Strength of a Magnet on a Magnetic Levitating Train? R Build Your Own Loudspeaker. R Investigate how an electric motor's size affects rotation speed. R Determining the Effectiveness of Series vs. Parallel Augmented Design on Rail Gun Performance R Measure the torque on an electric motor by the mass lifted by the motor. S Electromagnetic Propulsion System for Magnetic-Levitation Train R R Can a Motor Act Like a Generator, and How Efficiently? R R Demonstrate how electromagnetism can be used to create an electric motor. R R R R R R S What factors determine the strength of an electromagnet? R R R R R R R R R R R The Effect of Temperature on the Strength of an Electromagnet S Picture the shape of the field around an electromagnet. R What are electromagnetic bombs (E-bombs)? R Does electromagnetising a magnet, increase or decrease the power of the magnet? R How Does Coil Shape and Magnet Placement Affect the Rotations of a Simple Motor? R R Make a rail gun using a homopolar motor and do different tests to see what factors affect its performance. R R Build a simple wireless telegraph system. R Build and demonstrate a levitated train (Maglev) and explain how it works. R R R R R Will Magnetic Levitation Help Reduce Friction? R R Do electromagnetic fields affect plant growth? S Build your own galvanometer R R Demonstrate Lenz's Law R R Build a small dynamometer that could measure the output power, torque, and RPM of a HO scale slot car. R Interdisciplinary Topic: Magnets & Electromagnets |
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Prove that electromagnetic induction can be used for powering transportation.
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Determine which of the following variables most greatly affected the strength of an electromagnet: the number of coils, the voltage of the power source, the diameter of the core, and the gauge of the wire. R Does changing the permanent magnetic field affect the launch height of a rocket more than changing the strength of the electromagnetic field? R See if electricity can be generated more efficiently than in conventional methods by using two three-phase motors in a Rotoverter setup. R A flying machine capable of sustained flight without wings or a visible propulsion system based only on the Biefeld-Brown effect. R R Make an electric motorboat for 5 meter rain gutter drag races R Determine which ferromagnetic material makes the best electromagnetic projectile for use in magnetic propulsion systems. R Stepper Motor and Controller Projects and Experiments R Research WiTricity. R Determine if Electromagnetic fields (EMFs) can be prevented by products that claim to prevent EMFs. R Ampère's law related experiments R Compare the performance between pre-wrapped and hand wrapped magnetic coils with lower inductance. R Build a simple wireless telegraph system. R Demonstrate how electromagnetism can be used to create an electric motor. R R R R R R S Build and investigate a reed switch motor R R Use electromagnetic forces in a coil to propel a projectile S Discover how electromagnetic radiation flows through open air, empty vacuum, helium and argon. R R Interdisciplinary Topic: Magnets & Electromagnets |
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Science Fair Projects Resources
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Electricity Basics R Battery & Cell Background R Electricity & Electronics Inventions and Discoveries R Citation Guides, Style Manuals, Reference R Electrical Safety R R |
