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Frayer Models. Terry Blanch & Jeff Spraggins: Physical Science . Definition. Characteristics. Concept Word. Examples. Non-Examples. Chemical Properties. Framework for Learning. Def: the ability of a substance to transfer energy from one place to another.

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frayer models

Frayer Models

Terry Blanch & Jeff Spraggins: Physical Science

slide2

Definition

Characteristics

Concept Word

Examples

Non-Examples

chemical properties
Chemical Properties

Framework for Learning

slide4

Def: the ability of a substance to transfer energy from one place to another.

Typically think of conductivity in terms of heat or electricity

  • How well a substance can allow charge to move through it (current).
  • Substance can transfer electrical or thermal energy efficiently

Conductivity

Copper (Cu)

Solution of NaCl

Examples

Glass (SiO2)

Pure H2O

Non-Examples

slide5

Def: the state in which a substance becomes evenly distributed throughout a solution

Think of sugar in water.

  • Solvent molecules are attracted to the substance being dissolved.
  • Substance spreads out and becomes surrounded by solvent molecules

Dissolved

Sugar in water.

Solution of NaCl

Examples

Glass (SiO2)

Oil

Non-Examples

chemical bonding
Chemical Bonding

Framework for Learning

slide7

Def: a type of chemical bond between atoms that gained or lost electrons; a bond between ions

Metal atoms ‘give up’ their valence electrons to non-metal atoms

  • Made of metal and non-metal atoms
  • Dissolves in water
  • Conducts electricity when dissolved but not when solid

Ionic Bonding

NaCl

CaBr2

Examples

O2

CO

Non-Examples

slide8

Def: a type of chemical bond that is formed when valence electrons are shared between some atoms.

Creates small stable units within the substance.

  • Made of nonmetal atoms
  • Some dissolve in water, some don’t
  • Do not conduct electricity
  • Tend to be liquids, gases, or soft solids

Molecular Covalent

CO

H2S

Examples

KBr

MgCl2

Non-Examples

slide9

Def: a type of chemical bond that is formed when valence electrons are shared between all surrounding atoms.

Atoms are covalently connected with each other in all directions-like a grid or network.

  • Made entirely of nonmetal atoms
  • Does not dissolve in water
  • Do not conduct electricity
  • Very hard solids

Covalent Network

SiO2

Diamond (C)

Examples

CO2

NaI

Non-Examples

slide10

Def: a type of chemical bond that is formed when valence electrons are shared between all atoms in the substance

Valence electrons are free to move throughout the substance like a ‘sea’ of electrons

  • Made entirely of metal atoms
  • Does not dissolve in water
  • Conducts electricity
  • Bendable Solids

Metallic Bonding

Copper (Cu)

Bronze (Cu and Sn)

Examples

Graphite (C)

H2O

Non-Examples