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Grade 7 Science MCQ

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Conductors and Insulators MCQ with Answers PDF

Conductors and insulators Multiple Choice Questions (MCQ) to practice conductors and insulators quiz answers PDF to study online 7th grade science course. Electrical Circuits and Electric Currents Multiple Choice Questions and Answers (MCQs), Conductors and Insulators quiz questions PDF for taking online classes. "Conductors and Insulators Book" PDF: electrical circuits and currents, electric motors, chemical effect of electric current test prep for online learning.

"In conductors, electrons can flow because their" Multiple Choice Questions (MCQ) on conductors and insulators with choices ions are free, protons are free, electrons are free, and negative ions are free for taking online classes. Study electrical circuits and electric currents quiz questions for online certificate programs for distance learning.

MCQs on Conductors and Insulators

MCQ: In conductors, electrons can flow because their

ions are free
protons are free
electrons are free
negative ions are free

MCQ: Poor conductor of electricity is

silver
aluminum
water
copper

MCQ: Ions are charged particles. They are formed when an atom

gains electrons
loses electrons
gains or loses electrons
shares electrons

MCQ: The materials that allow the electrons to flow through them is known as

insulators
conductors
electrolytes
bases

MCQ: An example in which light emitting diodes are used, is

calculator
hard drive
optical drive
analog watch