Electric Charge Quiz

___________ ____________________ occurs when an object obtains a net positive or negative charge, creating an imbalance that wants to be returned to equilibrium.

• Static Electricity

• Dynamic Charge

• Neutral Charge

• Magnetic Force

An overall negative charge means there are (TOO MANY / MISSING) electrons, and an overall positive charge means MISSING electrons.

• TOO MANY

• MISSING

Charging by ______________ occurs when one object touches another. Describe this process using the rod example.

• Conduction

• Induction

• Friction

• Radiation

What is the charge of protons?

• Positive

• Negative

• Neutral

What is the role of free electrons in an atom?

• They move from one atom to another when acted on by an 'outside force'

• They remain stationary

• They are part of the nucleus

• They are not involved in chemical reactions.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In the context of electric charge, what does it mean when two objects have like charges?

• They repel each other

• They attract each other

• They become neutral

• They dissolve

Tags

NGSS.HS-PS3-5

Charging by ________ occurs when one material rubs another.

• Friction

• Conduction

• Induction

What happens when a rod is rubbed with a cloth?

• The rod becomes negatively charged

• The rod becomes positively charged

• The rod remains neutral

• The cloth becomes positively charged.

Write the equation for Coulomb's Law. Label the variables with their SI base units.

• F = k (q1q2)/r^2

• F = ma

• F = G (m1m2)/r^2

• F = qE

Tags

NGSS.HS-PS2-4

How does the force of gravity and electrostatic force compare?

• Both are always attractive

• Gravity is always attractive, electrostatic can be repulsive

• Both are always repulsive

• Gravity is repulsive, electrostatic is attractive.

Tags

NGSS.HS-PS2-4