Monday, September 15, 2014

Hypothesis/Density Intro.

Due Today: Organized IA Notebooks
Did you update your Table of Contents? Are all your papers and notes in order by the date? attached?

CLASS WORK:
We are reviewing the format for making scientific hypotheses at the same time we are introducing the concept of density.  
Make a note of how to format your hypothesis on p.30 in your notebook.  

Get ready to practice making a hypothesis aloud as I layer the following liquids into the glass jar:

  • lamp oil
  • olive oil
  • windex
  • rubbing alcohol
  • salt water
  • corn syrup
  • vinegar
  • tap water


If you missed the class demonstration, watch this guy...Steve Spangler.
Why do they layer in that way? 

Make notes on density on p.31 in your notebook
Density is a characteristic property of matter.  Water has a density of 1 g/ml. If a substance has a density less than 1 g/ml, then it floats in water and if it is greater than 1 g/mL, the substance will sink in water.

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