¿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 approximate weight of the most famous steel structures in the world?

• 120,000 tons

• 100,000 tons

• 80,000 tons

• 50,000 tons

What is steel primarily made from?

• Iron and copper

• Iron and zinc

• Iron and carbon

• Iron and aluminum

What term is used to describe a mixture of one or more metals?

• Element

• Alloy

• Solution

• Compound

Which of the following is the most common metal alloy in the world?

• Bronze

• Brass

• Steel

• Aluminum

Why is steel considered ideal for building bridges?

• It is easy to mold

• It is sturdy and long-lasting

• It is lightweight

• It is inexpensive