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September 23, 2012 Topic: Air Pollution Do Now: What does evaporation mean? What abiotic factor causes evaporation to happen? Can sand evaporate? Why or why not? If a cup of salt water is left out to evaporate, what will be left in the cup after the evaporation process is over?.
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September 23, 2012 Topic: Air Pollution Do Now: • What does evaporation mean? • What abiotic factor causes evaporation to happen? • Can sand evaporate? Why or why not? • If a cup of salt water is left out to evaporate, what will be left in the cup after the evaporation process is over?
Talk to the person next to you. Define “acid rain” in your own words. Write this definition in your notebook.
Why is acid rain a problem? http://www.youtube.com/watch?v=Nc6j7zz1_do
Types of Variables There are 2 main types of variables: Independent Variable: The variable that is changed by the scientist Dependent Variable: The variable that might change because of what the scientist changes – what is being measured
Example! Ex. If I drink Mountain Dew before bed, then I will not sleep very much. IV: Drinking Mountain Dew DV: the amount of sleep
Practice Identify the variables: If I leave all the lights on all day, then my electric bill will be expensive. If I brush my cat more, then there will be less fur on my furniture.
Practice Identify the variables: Elizabeth wanted to test if temperature affected how fast milk goes bad and curdles. She left milk in a room temperature closet, a fridge, and an oven that was turned on low heat. She then measured how rotten the milk was after 10 days.
September 25, 2013 Topic: Socratic Seminar Do Now: • Copy tonight’s homework • Take out your seminar preparation sheet. • Take out a piece of paper to take notes on. • SLANT silently until everyone is ready to begin.
September 26, 2013 Topic: Media and the Environment Do Now: • What is a documentary? • Who might make a documentary? • Why might someone make a documentary?
September 27, 2013 Topic: Media and the Environment, pt 2. Do Now: • Copy your homework. • Take out the notes you took yesterday on Bag It. • SLANT silently until everyone is ready to begin.