The Case of The Mystery Substance
Making Good Observations 8/27/18
You have been hired by the AAA Laboratories as a lab technician. The company has been hired by the Scottsdale Law Enforcement to do laboratory investigations for unknown substances that has been discovered. This mystery substance will be sent to your group in about a week. You will need to identify the mystery substance based off knowledge that you will be gathering. Based off field investigations they have a few known's. The known's are as follows:
Powders Identified 6:
Alka Seltzer
Baking Powder
Corn Starch
Cream of Tartar
Epson Salt
Plaster of Paris
In order to identify these powders, you will use various solutions. The solutions you will you are as follows:
Cabbage Juice
Iodine
Vinegar
Water.
Your job as a group is to identify the mystery substance using all of the above. You will be identifying physical and chemical properties of each of the above powders. In your observations you make sure that your descriptions are well detailed so that when I read them, I can mentally see what you observed.:
Powders Identified 6:
Alka Seltzer
Baking Powder
Corn Starch
Cream of Tartar
Epson Salt
Plaster of Paris
In order to identify these powders, you will use various solutions. The solutions you will you are as follows:
Cabbage Juice
Iodine
Vinegar
Water.
Your job as a group is to identify the mystery substance using all of the above. You will be identifying physical and chemical properties of each of the above powders. In your observations you make sure that your descriptions are well detailed so that when I read them, I can mentally see what you observed.:
Observation Essay
I have left you two videos on Observations and Inferences. These are great videos to help in refreshing your memory on inferences and observations or teach you about inferences and observations. I have also left you a video on the different kinds of observations.
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What do we mean when talking about Observations
After you have watched the videos, you will write a 200 word essay on the following:
What is Observations
What are the types of Observations
Why are they so important in science
Again, it must be a proper written essay with opening paragraph, supporting paragraph, and closing paragraph. I must be 200 words or I will not look at it. Grammar is important, so make sure you mind it. This is due on Sunday 9/9/18 for all classes. You need to upload it on Schoology.
What is Observations
What are the types of Observations
Why are they so important in science
Again, it must be a proper written essay with opening paragraph, supporting paragraph, and closing paragraph. I must be 200 words or I will not look at it. Grammar is important, so make sure you mind it. This is due on Sunday 9/9/18 for all classes. You need to upload it on Schoology.
Mystery Substance Template
You will be receiving your Mystery Substance next week. If you have finished all your observation start with your research. The research information that you will be doing is as follows:
Known Powders: For your known powders, you need to tell me the name of the powder, its composition (what it is made of) and if it has a chemical composition tell me what chemicals make it up and it's formula. You also need to tell me what the powder is commonly used for in industry. Lastly, include your physical descriptions of your solutions and how it reacted with each solutions. All of these need to be written in paragraph format, not bullet points or data table format.
Solutions: For your solutions, you need to tell me the name of the solution, its composition (what it is made of) and if it has a chemical composition tell me what chemicals make it up and it's formula. You also need to tell me what the solution is commonly used for in industry and what kind of an indicator it is commonly used for and explain how it is used or how it detects what it indicates for. All of these need to be written in paragraph format, not bullet points or data table format.
Report Template
Here is the template for the report. It must be typed, so I would copy and paste this template, then add the information you will need for the report. Follow the template. It is your guide for how you should submit the report.
Remember, this is an individual assignment, not a group assignment. I should not see the exact same report for two people.
Known Powders: For your known powders, you need to tell me the name of the powder, its composition (what it is made of) and if it has a chemical composition tell me what chemicals make it up and it's formula. You also need to tell me what the powder is commonly used for in industry. Lastly, include your physical descriptions of your solutions and how it reacted with each solutions. All of these need to be written in paragraph format, not bullet points or data table format.
Solutions: For your solutions, you need to tell me the name of the solution, its composition (what it is made of) and if it has a chemical composition tell me what chemicals make it up and it's formula. You also need to tell me what the solution is commonly used for in industry and what kind of an indicator it is commonly used for and explain how it is used or how it detects what it indicates for. All of these need to be written in paragraph format, not bullet points or data table format.
Report Template
Here is the template for the report. It must be typed, so I would copy and paste this template, then add the information you will need for the report. Follow the template. It is your guide for how you should submit the report.
Remember, this is an individual assignment, not a group assignment. I should not see the exact same report for two people.
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Downloadable Version
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Rubric for Mystery Substance Lab Report
Follow the Rubric for the Mystery Substance Lab Report so that you can get the most possible points. This is how I will be grading your report.
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Week of 9/4/18 to 9/7/18
You will continue to work on the Mystery substance lab. Pay very close attention to your descriptions. Make sure that they are detailed. You should be painting me a visual description of what you are describing to me through your words.
Your letter to the supervisor will be due as stated above as well as the observation 200 word essay.
Your letter to the supervisor will be due as stated above as well as the observation 200 word essay.
9wks Exam Review
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