Do Now: With you tablemates, partition (separate) the pictures in the envelope into 2 categories: 1)Homogenous mixture and 2) Heterogeneous mixture. 2)Record.

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Presentation transcript:

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?

Air as a Mixture Next > The air in the atmosphere we is a mixture of Nitrogen (N), Oxygen (O), Carbon dioxide (CO 2 ) and Water vapor (H 2 O (g) ). Is the air we breathe a homogeneous or a heterogeneous mixture? Ans: Homogeneous mixture. It all looks the SAME.

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

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

m Non-metals Metals (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

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?