The Charge of the Proton! It's ENERGY, it's ACTION, it's Something Happening!

So...my computer is currently uploading a video message from me, but it is going slow, and I don't know how it will turn out...wait>>>IT WORKED!  A new era dawns!  Imagine the possibilities; I can talk to you about yesterday's experiment or try again to explain a difficult concept!  WOWsers.

So, good work, ladies, on your lab.  Young men, your groups could use an upgrade in cooperation and also in reading the directions.  If you have not done last week's homework, or understood it poorly, please re-read chapter 25, section 2, particularly pages 772-774 (just 3 pages!)  If you did last week's homework and understood it, then it's an easy read and a great warm-up for today's homework, which is this:

Today's Homework:
1. pHet simulation: https://phet.colorado.edu/sims/html/acid-base-solutions/latest/acid-base-solutions_en.html  THOROUGHLY explore this simulation, using all the Solutions and Tools, first in the Introduction and then in My Solution, - figure out how the sim works and then learn from it.

• When you do the My Solutions page >>> MAKE A TABLE, like this: https://drive.google.com/file/d/0B07s3-bcUr7tYS1Lcl9jdkFFaHM/view?usp=sharing
• 
  
• Change the acid/base concentrations and strengths
• dip the pH meter in the water, dip the litmus paper, use the light bulb to test conductivity 
• notice the chemical equation, what does HA mean, etc./ (H is H+ and A represents acid) MOH? M represents the metal ion and OH is OH-.  Notice that a strong acid uses a one-direction arrow and a weak acid uses arrows going in both directions.  What does this represent?  Notice the differences in the diagram as you switch from strong to weak acid.  

2.  A really excellent 30 minute video deserving the full concentration (and strength) of your attention:

• Acids and Bases: The Voyage of the Proton   Don't forget to pound it into your brain: H+ is a proton, so pH is the Power of the Proton, it has a charge, and a charge is like a battle cry, Charge! It's energy, it's action, it's Something Happening!

More Acids

1.  From our in-class experiment: as I explained in class, summarize your conclusions from each section. I EXPLAINED IT IN CLASS,   Do it according to the model I wrote on the board.

2. Read textbook, chapter 25, section 2: Strength of Acids and Bases.  Take good notes. List each section and sub-section, write 2-4 bullet points which tell the important points and what must be remembered from that section, including vocabulary and reading checks.  Copy Figures 7, 8, 9 and 11.  If  you don't know what a word means, figure it out, and write it in the book before you go on.  For instance, "ionizes" and "dissociates"--do you know what it means?

3.  Brainpop: Brainpop >>> pH scale

username: pcshome  password: ilearnathome

Watch movie, do quiz, read FYI, fill out the activity page OR do one of the games in Game-UP.

A few of you have not yet turned in a description of your Chemistry Magic Show demonstration, and I need to talk with some of you about whether yours will work.  Can't remember who is doing the mentos experiment--you need to find something that can be done indoors. ALL OF YOU need a complete printout of your experiment and have it with you in class.  If you need help choosing something, tell me.

Properties of Acids and Bases

In case you are wondering, yes, someone did make a nerdy science music video, It's All About That Base.

• IF YOU MISSED MONDAY'S CLASS: WATCH THIS VIDEO AND TAKE NOTES:

Homework: Chapter 25, sections 1: Take good notes.  Jot down the blue sub-heading, and underneath that list 2-4 important points from that section, and make sure you write out the definitions of each vocabulary word (highlighted).  Copy figures 5 and 6.  Do both the reading checks ( write question and answer.)  Write in good English.

BrainPOP:  username: pcshome   password: ilearnathome
https://www.brainpop.com/science/matterandchemistry/acidsandbases/
watch movie, take quiz, read all sections of FYI (click the round icons at the top of the page)

Spring break, no homework.  EXCEPT...

I will be calling you individually to discuss your ChemMagic proposals.  If you did not turn it in yet, do this right now!  I also need everyone to send me the link to your reaction in the COMMENTs BELOW. One more thing to consider is that you need to write the chemical equation of your proposed reaction.  I will be reviewing each of your proposals to see that they fit the criteria and do not overlap.  So there will probably be some plan changes, just sayin'.

Those of you who did not turn in the completed Chemical Reactions Lab report, do so NOW.
 If you've lost the original handout,  here it is: http://www.kwanga.net/chemnotes/chem-rxns-lab.pdf 

More Magic

One of you ambitious students requested this experiment, which sadly I couldn't approve-- making salt from sodium and chlorine; it would've been great: check out this video from Theo Gray's Mad Science--->>> http://graysci.com/chapter-one/making-salt-the-hard-way/

Plus there are lots of experiments from his site (look under the chapter tabs on the banner). http://graysci.com/  Mostly too dangerous.

Steve Spangler has lots of ideas and demonstration videos on his catalog, and the advantage to looking here is that these are reasonably safe, and the supplies are available. http://www.stevespanglerscience.com/lab/experiments/category/chemistry

YouTube has tons of stuff, try searching for chemistry magic tricks, Crazy Russian Hacker, you can also do a demonstration that I have done in class.

email or text me the link, if you find one you think is possible, or find several, and I'll get back to you.