Los elementos: el cobre

Copper is found on Earth's surface in nuggets and minerals. It is used in cables, coins, and musical instruments due to its excellent conductivity of electricity and heat. Copper is vital for human health, aiding in red blood cell and bone formation, iron absorption, and nerve cell health. It is also present in the blood of some animals. Humans have utilized copper for approximately 10,000 years.

Which of the following items is NOT typically made using copper?

• Cables

• Musical instruments

• Plastic bottles

• Coins

What is one of the key properties of copper that makes it useful in electrical applications?

• It is transparent

• It is lightweight

• It is a good conductor of electricity

• It is magnetic

How does copper contribute to human health?

• By reducing cholesterol levels

• By forming red blood cells and bones

• By improving eyesight

• By increasing body temperature

Which animals have copper as a component of their blood?

• Fish and amphibians

• Birds and reptiles

• Octopuses and snails

• Dogs and cats

For approximately how many years has copper been used by humans?

• 1,000 years

• 10,000 years

• 20,000 years

• 5,000 years