Electricity and Ohm's Law

Electricity is the flow of __________.

• protons

• electrons

• neutrons

• megatrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of these is NOT true about electrons?

• They're positively charged.

• They're negatively charged.

• They can move freely between the atoms of some materials.

• They can move from one surface to another via friction.

All matter is made of charged particles.

• True

• False

Tags

NGSS.HS-PS2-5

Which of these is NOT true about electric charge?

• Two objects with the same charge will attract each other.

• Two objects with the same charge will repel each other.

• A charged object can attract an uncharged (neutral) object.

• N/A

  (they're all true)

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Coulomb's Law says that the electromagnetic force between two objects is greater when the amount of charge on either one is greater.

• True

• False

Coulomb's Law also says that the electromagnetic force between two objects is greater when the distance between the objects is greater.

• True

• False

Electrons can easily travel between the atoms of __________.

• a conductor

• an insulator

• a destructor

Tags

NGSS.HS-PS2-5

Electrons have a hard time getting through the atoms of __________.

• a conductor

• an insulator

• a destructor

Tags

NGSS.HS-PS2-5

When a charge imbalance is resolved in a sudden *ZAP!*, what has just happened?

• static discharge

• charge induction

• polarization

• spontaneous charge

A polarized object has two oppositely-charged poles, but is still electrically neutral overall.

• True

• False