Carbon Dioxide Lab.

Write up the carbon dioxide lab that we did today.  You may hand in your lab in pairs or threes
THIS LAB IS OUT OF 60 MARKS

1.  Title of Lab:  Make up your own title of this lab     2 marks
2.  Collaborators:  Write the full names of the investigators and write down what percentage of the write up was done by them     3 marks

3.  Purpose of lab:  Write a short paragraph describing your purpose:  5 marks
4.   Materials:  Write a list of materials that you used for your experiment      5 marks
5.   Procedure:  Write a step by step procedure describing our three out of experiments:

a. Observing at a coin with dry ice under a microscope
b. Put a piece of dry ice in cold water , then in hot water
c.  DEMO: Put some NaOH in a flask, add universal indicator.  observe the colour.  Now add a piece of dry ice.  What happens
d.  move the dry ice around like it was a hockey puck.  Why does it slide across the table?


Write a step by step clear procedure that is easy to understand.  Also, make a cartoon of your procedure:  out of 20
17-20/20    excellent, clear writing and pictures
13-16/20    very good procedure with pictures
10/20          procedure is written 
0-9/20          procedure is hard to understand

Observations and Discussion   /20

For each experiment, write and draw or provide photographs for your observations.  Beside your drawings or photos, EXPLAIN how this happened.  Use balanced equations
out of 20
17-20/20      you have a keen eye for detail in observations and you write your observations well: your pictures are very clear.  You understand why the phenomena happened and you explain it clearly. You show exceptional insight. 
13-16/20      very good write up.  You summarize your observations and your explanations are clear.  You clearly reflected on this.

0-11/20   you need to spend a bit more time describing the phenomena and also explaining it


Conclusion      out of 5
You summarize your findings in the conclusion.

key

Naming acids practice

Today we reviewed naming acids and I asked you to write  "...ide" acids and    "...ite " acids and also    "...ate" acids. also you did an exercise in naming acids last block.  Now you can do the naming acids practice on page 18 in the Chemistry practice sheet Here is the Chemistry practice sheet key.