What's in your smart phone?

Approximately how many chemical elements are found in a smartphone?

• 25

• 55

• 70

• 110

What is a characteristic of a rare earth element?

• There are about 17 different ones

• They are relatively common in Earth’s crust, but only found in small amounts

• They are found in many areas in Earth’s crust

• They have many uses in smartphones

• All of these are characteristics

How might smartphones be linked to climate change?

• They produce carbon dioxide

• They have components that use oil in their production

• They produce heat during their use

• All of these reasons

What was the predicted number of smartphones that will be in use in 2019?

• 2.3 billion

• 1 billion

• 3 billion

• 7.3 billion

What might be an issue for the workers hired to dismantle old smartphones?

• Lack of training on how to safely reclaim metals

• Poor wages

• Unsafe working conditions

• All of these are potential issues

What are several environmental effects of open pit mining?

How could smartphones be linked to societal problems?

What are some options for your outdated cell phone? Can you think of any other options?

What does it mean to say that your smartphone has a global footprint? What is your reaction to this statement?