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Today’s Agenda…11-1-12 . Bellringer: Create a T-chart to compare elements and compounds Review Discuss Frayer Model Notes on Mixtures – Study Pack #11. Mixtures. Study Pack #11. Today’s Target…. I can describe mixtures. What is a mixture?. Two or more substances combined

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Today’s Agenda…11-1-12 

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Today s agenda 11 1 12

Today’s Agenda…11-1-12 

  • Bellringer: Create a T-chart to compare elements and compounds

  • Review

  • Discuss Frayer Model

  • Notes on Mixtures – Study Pack #11


Mixtures

Mixtures

Study Pack #11


Today s target

Today’s Target…

  • I can describe mixtures.


What is a mixture

What is a mixture?

  • Two or more substances combined

  • When the substances come together a physical change takes place

  • So the substances can be separated


What is a mixture1

What is a mixture?

  • Since a physical change takes place when the substances come together it DOES NOT create a new substance

  • The substances you start with keep their properties

    • Example: In a salad each substance in the salad keeps its own properties


What is a mixture2

What is a mixture?

  • Mixtures do not have substances in fixed amounts

    • Example: When you make a salad you don’t have to have a certain number of cucumbers or tomatoes


What is a mixture3

What is a mixture?

  • Mixtures are not represented by formulas

  • Mixtures can be made up of elements, compounds, or both


Examples of mixtures

Examples of Mixtures

  • Salt water

  • Salad

  • Toys in a toy chest

  • Soap


Types of mixtures

Types of Mixtures

  • Heterogeneous mixtures

  • Homogeneous mixtures


Homogeneous mixtures

Homogeneous Mixtures

  • Homogeneous means “the same throughout”

  • You can’t see the different parts in this type of mixture

  • Sometimes also called a solution

  • Sometimes you might not even know they are mixtures because you can’t see all the parts that they are made up of

  • Examples: salt water, lemonade, air


Heterogeneous mixtures

Heterogeneous Mixtures

  • Has larger parts that are different from each other

  • You can see the different parts in this mixture

  • Examples: pizza, sand and water


Homework

Homework

  • Create a Frayer model for mixture


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