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7th Grade Science
Energy
7. Electricity
7.2 Electromagnetic Effects, Electromagnetism principles
Electromagnetism: How Electricity Creates Magnetic Power
Discover how electric currents produce magnetic fields and how this powerful relationship drives motors, generators, and countless everyday technologies.
What You'll Learn
Electric current flowing through wire produces a surrounding magnetic field.
Electromagnet strength increases with more coil turns and higher current.
Electromagnetic induction generates voltage when magnetic flux changes rapidly.
Motors, generators, and transformers all rely on electromagnetism principles.
What You'll Practice
1
Students identify factors that increase or decrease electromagnet strength.
2
Learners explore magnetic field patterns around wires and solenoids.
3
Questions test knowledge of electromagnetic devices and their real-world functions.
Why This Matters
Understanding electromagnetism is essential because it explains how electricity and magnetism work together to power motors, generators, and technologies that shape every aspect of modern life.
This Unit Includes
Practice exercises
Learning resources
Skills
Electromagnetism
Electromagnets
Magnetic Fields
Electromagnetic Induction
Electric Motors
OH Curriculum Aligned