Protons carry a ​ (a)   charge and electrons carry a ​ (b)   charge.

• positive
• negative

Tags

NGSS.MS-PS1-1

Electric Charge: Atoms contain particles called ____, ____, and ____.

• protons, neutrons, electrons

• protons, photons, electrons

• neutrons, positrons, electrons

• protons, neutrons, positrons

Tags

NGSS.MS-PS1-1

This particle has no charge.

• neutron

• proton

• electron

• positron

Tags

NGSS.MS-PS2-3

Together, all of the __ and __ make up the nucleus.

• protons, neutrons

• electrons, protons

• neutrons, electrons

• quarks, electrons

Tags

NGSS.MS-PS1-1

The accumulation of excess electric charge on an object is called ____.

• static electricity

• current electricity

• magnetism

• conduction

In current electricity, electrons move from one __ to the next creating a flow or current.

• atom

• molecule

• neutron

• proton

________________ are materials that electrons can move easily through.

• Conductors

• Insulators

• Semiconductors

• Resistors

The best conductors are ____________ because electrons can move easily through the material.

• metals

• plastics

• glass

• wood

________________ are materials that electrons are not able to easily pass.

• Insulators

• Conductors

• Semiconductors

• Metals

Categorize each into insulators or conductors

Groups:

(a) Insulators

,

(b) Conductors

• silver
• gold

• rubber

• copper

• graphene
• steel
• fiberglass
• plastic

• mercury
• ceramic
• glass

• iron
• wood

• silicone
• paper
• aluminum

Tags

NGSS.MS-PS2-3