¿Qué es una mezcla? – ¿Sabías que?

The video discusses the significance of steel structures, highlighting their weight and fame. It explains that steel is a mixture of iron and carbon, classifying it as an alloy. The video further elaborates on alloys, which are mixtures of one or more metals, and emphasizes that steel is the most common metal alloy globally. Its durability and longevity make it ideal for constructing bridges.

What is the weight of the most famous steel structures mentioned?

• More than 80000 t

• Less than 50000 t

• Around 100000 t

• Exactly 75000 t

What is steel made from?

• Iron and carbon

• Copper and zinc

• Aluminum and magnesium

• Lead and tin

What are mixtures of two or more metals called?

• Alloys

• Compounds

• Elements

• Solutions

Why is steel considered a common metal alloy?

• It is sturdy and long-lasting

• It is lightweight

• It is expensive

• It is rare

What are some applications of steel in construction?

• Building bridges

• Making jewelry

• Creating art

• Manufacturing electronics