Virtual Experiment

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Virtual Experiment
Mystery Powder
A Mrs. Wolfgang Production
Modified from Mystery Powder Lab by Liz LaRosa,
www.middleschoolscience.com/myspow.html.
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Mystery Powder

• Today we are going to perform an experiment, and
  you dont have to wear goggles!
• You will be presented with a mystery powder, and
  you will conduct a series of virtual tests to
  determine what it is. Click on the buttons to
  see the videos for each of the three specimens.
• After each test, your results will be logged onto
  a data chart. Click the to return to the
  specimen.
• Later you will use a flow chart to identify the
  item.

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Specimen A
Test 1
Test 2
Vinegar Test
Iodine Test
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Specimen A Vinegar Test
If the powder fizzes after adding vinegar, carbon
dioxide (CO2) has been released.
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Data Table
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Specimen A Iodine Test
If the powder turns blue/black/purplish after
adding iodine, starch is present in the powder.
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Data Table
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Specimen B
Test 1
Test 2
Vinegar Test
Iodine Test
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Specimen B Vinegar Test
If the powder fizzes after adding vinegar, carbon
dioxide (CO2) has been released.
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Data Table
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Specimen B Iodine Test
If the powder turns blue/black/purplish after
adding iodine, starch is present in the powder.
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Data Table
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Specimen C
Test 1
Test 2
Vinegar Test
Iodine Test
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Specimen C Vinegar Test
If the powder fizzes after adding vinegar, carbon
dioxide (CO2) has been released.
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Data Table
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Specimen C Iodine Test
If the powder turns blue/black/purplish after
adding iodine, starch is present in the powder.
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Data Table
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Powder
Vinegar- Fizz
Vinegar- No Fizz
Using the data and the flow chart, determine what
each of the mystery powders are. When you think
that you have them all identified correctly,
click the mouse.
Iodine- Starch
Iodine- No Starch
Iodine- Starch
Iodine- No Starch
Baking Powder
Baking Soda
Corn Starch
Talc
C
A
B
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Thanks for playing!