I) CORE

A. Properties of metals

1. Alloy & their Properties https://www.youtube.com/watch?v=KgUmNQD6m5Q 

B. Metal Reactivity Series

1. Metal Reactivity Series https://www.youtube.com/watch?v=2i5Lm7BMtpo 

C. Metal Extraction

1. General Extraction of Metals & Reduction https://www.youtube.com/watch?v=gvNuMpxqG7Q 

2. Iron extraction in blast furnace (A) https://www.youtube.com/watch?v=8sPYEClAb80 

3. Iron extraction in blast furnace (B) https://www.youtube.com/watch?v=H2oMOWjiE9U 

4. Minnesota Iron Mining Process https://www.youtube.com/watch?v=7foK-wVNSMw 

D. Metal Recycling

1. Recycling Metals (Schematic)  https://www.youtube.com/watch?v=iQen-uq3eUk 

2. Metal Recycling Factory (Industry) https://www.youtube.com/watch?v=qAGCI0-pQ3E 

E. Iron

1. Rusting of Iron & it's prevention. https://www.youtube.com/watch?v=aYfGulDoKrg 

II) EXTENSION LEARNING

F. Thermite reaction 

1. Thermite reaction (Al + Fe2O3) https://www.youtube.com/watch?v=mkVda1Xc6ss  

2. Railroad thermite welding https://www.youtube.com/watch?v=5uxsFglz2ig 

3. Railroad thermite welding schematic diagram https://www.youtube.com/watch?v=gXp3aRKO4Yc