A changing magnetic field generates an electromotive force through this process used in dynamos.

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Your new ahaElectromagnetic Induction

Electromagnetic Induction: Generation of electric current from a changing magnetic field. Source: Electromagnetic induction ↗

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27Particles spread from higher to lower concentration through this process.RECALL
Diffusion
Diffusion spreads particles from areas of high to low concentration, coloring a whole glass of water from one drop.
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01Newton's universal law describes this attraction between masses.RECALL
Gravity
Gravity pulls every mass toward every other mass, a relationship Newton captured in his law of universal gravitation.
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02This resistance to motion between touching surfaces warms your hands when you rub them together.RECALL
Friction
Friction opposes motion between surfaces in contact, and rubbing hands together turns that resistance into warmth.
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