Unit 17: Electricity and Magnetism

What is the charge on a proton?

• neutral

• positive

• negative

• thermal

In an atom, the protons and electrons cancel each other out, so the charge on an atom is _____________________.

• neutral

• positive

• negative

• thermal

The Law of Conservation of Charge states that electric charges cannot be created or destroyed.

• True

• False

____________ are good conductors.

• nonmetals

• metals

• noble gases

• halogens

Semiconductors allow electricity to flow under certain _________________.

• conditions

• nuclear energy

• combustions

• insulators

How does induction work?

• Lightning shoots out as a discharge

• static electricity

• due to electric fields

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Using a conductor to direct an electric charge into the ground is called __________________.

• contact

• induction

• insulation

• grounding

Electric current is measured in ____________.

• amperes (amps)

• millivolts

• charges

• kilowatts

An electric __________ is a closed path in which electric current travels.

• table

• circuit

• material

• pressure

Resistance is the tendency of a material to oppose the flow of __________________.

• protons

• neutrons

• electrons

• mitochondria

Tags

NGSS.HS-PS2-5