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Properties. Something we use to describe an object http://www.youtube.com/watch?v=gCbqjs-pqJo Physical Properties What does it: Smell like Taste like Look like Sound like Feel like. Physical or Chemical Change? Decide. Physical or Chemical Change?. Physical or Chemical Change?.

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Presentation Transcript
Properties

Properties

Something we use to describe an object

http://www.youtube.com/watch?v=gCbqjs-pqJo

Physical Properties

What does it:

Smell like

Taste like

Look like

Sound like

Feel like





A Closer Look:

Chemical Vs. Physical Change

Physical change:

  • Material is the same before and after the change

  • The change can be “undone.”

    For example: Ice melting


A Closer Look:

Chemical Vs. Physical Change

  • Chemical change:

  • The substance @ the beginning is not @ the end

  • New substances are formed

  • The change cannot be

  • “undone."

    For example: Nail rusting


A Closer Look:

Chemical Vs. Physical Change


Solutions
Solutions

  • Solution- a mixture of 2 substances

  • Solute- the substance being dissolved; lesser in amount

  • Solvent- the liquid that does the dissolving; larger in amount

  • Solutes & Solvents may be in any state: solid, liquid or gas


Types of solutions
TypesofSolutions

Heat affects

Solubility

The hotter the liquid

the more

Solute

it can hold.









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