13 Questions
What did the ancient Greeks observe about amber?
Amber attracts bits of feather, hair, or straw when rubbed with fur
What is the Greek word for amber?
Electron
What is the force called between charged objects?
Electric
Which object acquires a positive charge when a plastic rod is rubbed with wool?
The wool
What does the rubbing process do to the charges on the plastic rod and wool?
It transfers charges from the wool to the rod
What happens to the net charge when charge is transferred between objects?
The net charge stays the same
What happens when two objects with opposite charges come close to each other?
They attract each other
Which type of material allows charge to easily move through or along it?
Conductors
Which scientist is the SI unit of charge named after?
Charles Coulomb
What happens when a charged plastic rod is touched to the top of an electroscope?
The leaves repel each other
What is the term used to describe the slight separation of positive and negative charge in a neutral object when a charged object is brought near?
Charge polarization
What type of force arises between a charged object and a neutral one due to charge polarization?
Attractive force
What happens to the leaves of an electroscope when a negatively charged plastic rod is brought close to it?
The leaves spread farther apart
Understanding the Polarization Force: Exploring the Attraction between Charged Objects and Insulators
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