6.6E Rare Earth Elements

​Rare Earth Elements

Multiple Choice

What is a rare earth element?

• A. A type of rock found in the Earth's crust

• B. One of 17 elements on the periodic table, including lanthanides, scandium, and yttrium

• C. A common metal like copper or tin

• D. A type of fossil fuel

Multiple Choice

Why are rare earth elements considered valuable despite not being very rare?

• A. They are found in large quantities in the Earth's crust

• B. They are easy to extract and purify

• C. They are crucial for building a lot of technology and are in high demand

• D. They are used as a primary source of energy

Multiple Choice

According to the audio story, which of the following is not true of rare earth minerals?

• Since they’re heavy, they require more power to use in devices.

• Display screens on portable computers, televisions, computers, iPods, and iPhones use them.

• They will likely be very useful for wind turbines and electric hybrid cars.

• The Molycorp company mines and processes them.

Multiple Choice

What makes rare earth elements difficult to extract?

• A. They are found in very high concentrations

• B. They are usually mixed with each other or other elements

• C. They are located deep within the Earth's core

• D. They are highly reactive with water

Multiple Choice

What is the primary topic of the video?

• Chemical Reactions

• Famous Scientists

• Rare Earth Elements

• Spongebob

Hotspot

A diagram of the periodic table of elements is shown.

In which region of the table would you find the elemnts that are essential for high technological devices such as cell phones, computers, and electric vehicles?

We also use them to manufacture (create) electronics such as tablets, computers, cell phones, cameras, and TV's.

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• Known as "green elements" because they are essential to energy products such as wind turbines, catalytic converters, and rechargeable batteries

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Rare Earth Metals