Response Journal Entry 1

Remember to complete the prompts from the "Am I Freezing" project on your blog in complete sentences and to copy the questions there too.  These questions are designed to get you thinking about the Kinetic Theory of Matter and how it relates to changes in state.

Part I:  Complete the Melting/Freezing Matrix and answer the following:

1.    Why do the substances melt? (Hint: you need more information than just saying they got hotter.)

2.    Why do the substances freeze?

3.   Why doesn’t the water refreeze? (Hint: you need more than saying it didn’t get cold enough)

Density Column

Today's lesson involved creating a density column.  This column is created with various concentrations of sugar water.  Each color represents another layer.  By changing the concentration I am changing the density. 

The Passing of a Former Student

The young man on the right touched my life only briefly.  I will remember his constant smile and his attitude toward life.  He is amazing in that he was fighting a battle that not many knew about. He had a form of cancer that was attacking his spinal cord.  While he often aggravated me with his pranks and the fact that he often wouldn't do his homework, he was a good kid.  You will be missed Will.