Transcript
You Will Need:
1. Any work you owe me….Progress Notices Due TODAY
2. Pencil
3. Alien Juice Bar – Book shelf – Please staple 2 pages 3 sides
4. CSI Mystery Powder Lab Worksheets – Due on Friday*
Please SCHEDULE:
1. To take Part 1 or 2 for the 1st time
2. Retake Test #4
• Part 1 – 80/115 or lower
• Part 2 – 93/135 or lower
3. Progress Notices: Due Back on Today
Cabbage Juice – Natural Indicator
pH – Potential Hydrogen Ions
Indicator- Substance that Changes Color based on pH value
PurpleHot Pink GREEN
Acid Neutral Base
Questions (Pg. 3)
2. What are 2 things you observed about bases and the pH scale?
1. What are 2 things you observed about acids and the pH scale?
3. Using cabbage juice, how can you tell if a substance is neutral? 4. Why is understanding how too neutralize a strong acid or base beneficial in the “real” world?
http://sv.berkeley.edu/showcase/flash/juicebar.html
1. Determine which substances are acids and which are bases.
2. Employ yourself as a bar tender for aliens.
3. Serve them the correct drinks.
4. Try not to kill too many aliens…..
New
Computer
Assignment
1. Long Hair MUST be tied back
2. Loose sleeves, bracelets must be pushed up or removed.
3. Appropriate Lab Behavior
4. Consequence = Book Work-
See Side Board
Test Powder #1
Sugar
Powder #2
Flour
Powder
#3
Baking Soda
Powder #4
Corn Starch
Powder #5
Salt
Senses
Sound, Sight, Touch
Smell (waft)
Solubility
The ability to dissolve, (blend) in water
3 unique bullets for every square – one simile
Get Mrs. M.’s Signature after finishing 2 complete tests
Test Powder #1
Sugar
Powder #2
Flour
Powder #3
Baking Soda
Powder #4
Corn Starch
Powder #5
Salt
Iodine
Pinch +3 DROPS
Vinegar
Pinch + 3 DROPS
3 unique bullets for each square – 1 simile
Get Mrs. M.’s Signature after finishing 2 complete tests
You will need:• Matches• Bunsen Burner• Cooking Table• 5 pieces of foil
Apply Heat only until it starts to smoke
• Get your third signature when you’ve completed Heat Test + Comparison
Check Out
Clean screen when done
Throw away after test
You will need to:1. Complete Heat Test2. Compare with another group- 3
different tests and their results3. Answer Why Differences Occur
4. Get your third signature when you’ve completed Heat Test + Comparison
Ready for MYSTERY POWDER
You will need:• Do the same 5 tests on your mystery
bag powders• Based on evidence, determine the 2
powders in your bag• Tell WHY you believe it to be those 2
powders….give evidence why it is the powder and why it is not the other powders
Turn in your lab sheet and start the Alien Juice Bar Lab
You will need:• Matches• Bunsen Burner• Cooking Table• 5 pieces of foil
Apply Heat only until it starts to smoke
• Get your third signature when you’ve completed Heat Test + Comparison
Check Out
Clean screen when done
Throw away after test
StickyBlackSilkySmoothRoughHardCrunchyRubberyMilkySoftGrayYellowBrightCrystallineWhiteDarkBlackSilkySmoothRoughRoughOpaqueB right
DarkBlackSilkySmoothRoughHardCrunchyRubberyMilkySoftGrayYellowBrightCrystallineWhiteDarkBlackSilkySmoothRoughHardCrunchyBright
Flour
Magnifier
Testing Trays (2)
Stir Sticks (4)
IodineVinegar
Solubility Tray- leave out of big bag
Check out
-10 points will be taken for unclean labs
1. Sinks clean2. Counters & Table Tops Clean & Dry3. DO NOT sweep powders onto floors4. DRY the inside of the Supply Bag
(Testing Equipment)5.Powder Bags stacked straight up
inside Large Zip Lock Bag
Let Me KnowLet Me Know if supplies need to be if supplies need to be added/changedadded/changed
1. CSI Mystery Powder Lab – Due Tomorrow
2. Alien Juice Bar – Due Tomorrow
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