Presentation on Lead in Cell Phones

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Slide 1:

This is my presentation on lead in cell phones.

Slide 2:

Smart phones have dramatically changed the way we communicate. I know for certain that after seeing my friends during the day that when I get home I can immediately text them or snap chatting or any of the ways we communicate. I can’t imagine living in a world without being able to communicate with my friends across the room or across the globe at the click of a button. Sitting in my room I can check the news, play a game and talk to my friend in America all at the same time. The technology has advanced so much since the first iPhone. Along with other smart phones they have changed the way we communicate because we can just pick up the phone and talk to someone and you can text a question or facetime them. Smart phones have changed the world because at the tips of your fingers anywhere you can check the weather, watch a video, listen to music, take a picture, get directions, check the time, get information from the internet and watch your favorite TV show.

Slide 3

Lead in number 82 on the periodic table. Lead is usually found in ore with silver and copper and it is extracted together with them. Lead occurs naturally in the environment. However, most lead that is found in the environment results from human uses such as lead from batteries, gasoline or lead that has escaped into the environment from places like smelters.

Slide 4

These are the physical properties of lead. It is a metal which is usually a bluish white color. It is capable of being shaped or bent. It has poor transmission of heat or electricity It is quite soft and can be stretched without breaking.

Slide 5

Leads chemical properties are that it dissolves slowly in water, it doesn’t react with oxygen in the air, it doesn’t burn and it reacts quickly with hot acids but it reacts slowly to cold ones. It is resistant to corrosion but it tarnishes when it is exposed to air and it is toxic

Slide 6

Lead is usually used in cell phone screens, circuit boards and the buttons.Lead is commonly used as a stabilizer in products and for pigment in paint, rubber, plastics, and ceramics. Lead's chemical properties also make it easy to use in metal products.

Slide 7

Lead impacts brain development, causing learning problems including lower IQ scores and shorter attention spans.

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