Once I did a lot of painting and remodeling. The name of my emerging business was everbrushstrokes. I like to think of my teaching career as a time of forever giving and receiving the brushstrokes of pedagogy and insight inside and outside the walls of life's classroom. My mission on this blog and in the classroom is to share the wonders of this world. I teach physics and physical science at the Madison Central High School.
My Velma Jackson High School Blog
Saturday, September 3, 2011
Are we going to blow something up?
Volunteers to clean up (not after an explosion)
That is the question every chemistry students wants to know.
We have not blown anything up yet but I did do a cool demo found on stumbleupon.com
The challenge is to pick up a nickel (without touching the matches) resting on a match box with a match's base leaning on it and the business end of the match resting on the business end of a match that is place vertically on top of the match box. If you do it right it looks like this:
If you want to just see it here it is:
here are a few shots along the way with our density column lab:
And our physical and chemical changes lab.
Separation of sulphur and iron filings by magneticism
Separation of sand and salt by filtration