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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