There isn't much money left in most 2014-2015 science department budgets. For inexpensive chemistry lab ideas, buy my lab book Chemistry on a Budget for $19.82 at amazon.com (the price just got reduced!) or $23 at lulu.com. It will take a few weeks to get to you, so order now!
This book contains 13 labs using consumable materials purchased from local stores. There are two versions of each lab, one with a ten-question conclusion and one with directions for a full lab report. This way the teacher has the option! Each lab is two pages to allow for one two-sided handout.
My past blog entry, 02/25/2015, was about the NY Great Lakes freezing over, an unusual phenomenon b/c of water’s properties. Today’s blog is about Calorimetry, the measurement of the transfer of heat energy.
I posted previously about Heat & Energy on 3/5/2014, and it refers to calorimetry as well. My lab book, Chemistry on a Budget, has 2 labs using calorimetry. Check it out!
For your information, I posted about Heating/Cooling Curves on 3/2/14 and Heating/Cooling Curves Revisited on 10/3/14. A heating or cooling curve is a graph of temperature vs. time that could be used to determine information about the sample being observed.
Another energy related topic is the Potential Energy Diagram which was examined briefly in the 3/30/14 post called Reaction Rates.
Here is a 12 minute video gives an overview of energy changes and calorimetry:
The formula q = sm delta T is the same as q = mc delta T.
Here’s another video discussing coffee cup calorimetry:
Here are some worksheets focusing on Calorimetry:
This has answers!
This has answers, too!
There are some virtual labs online that could be used to make up a lab missed due to absence, as a homework assignment, or for Extra Credit. Here is one option:
Finally, here’s a 1994 Bill Nye video about Heat – it’s a very simple (but entertaining) video:
Years ago, my high school students would enjoy these videos – they are for a younger audience, and I saved them for a day before a vacation or the last few minutes of a Friday class. It is 32 minutes, so decide if you just want to use a segment of the video.
You’ll notice that many other videos show up in the margin, so check it out if there are others you can use!
Check out the Topic List to help you to find past Blog entries. I hope it helps!
Have a good weekend!