do now: with you tablemates, partition (separate) the pictures in the envelope
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L.T : What are some common mixtures found in everyday life?. Do Now: With you tablemates, partition (separate) the pictures in the envelope into 2 categories: Homogenous mixture and 2 ) Heterogeneous mixture. Record your answers on the back of yesterday’s guided notes. 7 mins. - PowerPoint PPT PresentationTRANSCRIPT
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Do Now:With you tablemates,
partition (separate) the pictures in the envelope into 2 categories:
1) Homogenous mixture and 2) Heterogeneous mixture.2) Record your answers on the back of
yesterday’s guided notes.
7 mins
L.T: What are some common mixtures found in
everyday life?
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Air as a Mixture
Next >
The air in the atmosphere we is a mixture of Nitrogen (N),
Oxygen (O), Carbon dioxide (CO2) and Water vapor (H2O(g)).
Is the air we breathe a homogeneous or a heterogeneous mixture?
Ans:Homogeneous mixture. It all looks the SAME.
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Rocks are also examples of mixtures. They are mixtures of different minerals.
Are these rocks homogeneous or heterogeneous mixtures?
Inquiry: What are mixtures?
Heterogeneous Mixtures. We can see the different parts
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Metal Mixtures
Typical metal alloys include:
Steel :mixture of Iron (Fe), Carbon (C), and Aluminum (Al)
Bronze : mixture of Copper (Cu) and Tin (Sn)
Brass: mixture of Cu and Zinc (Zn)
Solder: mixture of Sn and Lead (Pb)
Alloy: a mixture of different metals
Are these homogeneous or heterogeneous mixtures?Homogeneous. The metal looks the SAME throughout
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m
Non-metalsMetals (except H)
Metal are at the left of the Black “staircase” line (except H)Non-Metals are at the right of the Black “staircase lined
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View the video “Use of Metals” and “Atomic Structure of an Alloy”
In the Note catcher boxes for each video, record 3 things that you learned.
L.T: What are some common mixtures found in
everyday life?