UNIT 1 VOCABULARY REVIEW

Tendency of a material to fracture or fail

under a small force.

• Malleable

• Brittle

• Ductile

• Conductive

Material that prevents energy such as electricity,

heat, or cold from easily transferring through.

• malleable

• conductive

• ductile

• insulator

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Refers to the way most metals can be stretched

into wires.

• Ductile

• luster

• malleable

• brittle

Refers to the way most metals can be hammered or

rolled into thin sheets.

• Ductile

• Insulator

• Malleable

• luster

Refers to the way a metal’s surface reflects light (shiny)

• Ductile

• Malleable

• Conductivity

• Luster

Measure of ease at which an electric charge or

heat can pass through material.

• Luster

• Conductivity

• Insulation

• Malleable

Tags

NGSS.MS-PS2-3

A representation of the valence electrons in an atom, using dots.

• atomic number

• Electron Dot Diagram

• model

• theory

The electrons in the outermost energy level that are involved in chemical reactions.

• valence electrons

• atoms

• electron cloud

• energy levels

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A one-or-two-letter set of characters that is used to identify an element on the periodic table.

• atomic number

• Symbol

• atomic mass

• Element

A substance made of two or more elements chemically combined in a specific ratio, or proportion

• element

• mixture

• atom

• compound