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HAPPY Halloween!!. DO NOW. What is an element? What are the three categories of elements? What are some properties of elements?. Witch’s brew. What is making the fog? Why does the fog sink?. Evil elements.
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DO NOW What is an element? What are the three categories of elements? What are some properties of elements?
Witch’s brew What is making the fog? Why does the fog sink?
Evil elements Plutonium When machined as it is to assemble atomic bombs a fine dust is generated, which emits alpha radiation. The radiation from even a small amount of plutonium dust inhaled into your lungs will give you lung cancer. Plutonium is therefore handled in sealed glove boxes. However, the dust can get in the ventilation system, as it did at the Rocky Flats plant outside of Denver, requiring an incredibly expensive cleanup if it is not to be released into the atmosphere.
Evil elements Mercury It evaporates readily at room temperature, and the concentrated vapor is highly poisonous. It can cause brain damage over the long term.
Evil elements Lead is put into the air by burning and fueling with leaded gasoline, and it appears in old paint. It also can cause brain damage, especially in young children. For this reason among others the federal government banned the sale of leaded gasoline, and the State of Illinois recommends that young children be tested for lead in their first few years.
Evil elements ArsenicHighly poisonous. Used in old movies as a dramatic way to poison someone
Costume graphs • Use the Party City ad to group costumes based on their properties • Make a bar graph to show how many costumes are in each group
For tuesday • Read Chapter 2, Sections 2 and 3 • Have a very HAPPY and SAFE HALLOWEEN!!