CSI - Day 5
- 1. You Will Need: Any work you owe me…. Progress Notices Due TODAY Pencil Alien Juice Bar – Book shelf – Please staple 2 pages 3 sides CSI Mystery Powder Lab Worksheets – Due on Friday* Today in Chemistry
- 2. Please SCHEDULE: To take Part 1 or 2 for the 1 st time Retake Test #4 Part 1 – 80/115 or lower Part 2 – 93/135 or lower Progress Notices: Due Back on Today Test #4
- 3. Alien Juice Bar Cabbage Juice – Natural Indicator pH – P otential H ydrogen Ions Indicator- Substance that Changes Color based on pH value
- 4. Alien Juice Bar Purple Hot Pink GREEN Acid Neutral Base
- 5. Alien Juice Bar 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?
- 6. http://sv.berkeley.edu/showcase/flash/juicebar.html Your MISSION.... 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
- 7. SAFETY Long Hair MUST be tied back Loose sleeves, bracelets must be pushed up or removed. Appropriate Lab Behavior Consequence = Book Work- See Side Board
- 8. 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 Senses Sound, Sight, Touch Smell (waft) Solubility The ability to dissolve, (blend) in water
- 9. 3 unique bullets for each square – 1 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
- 10. Heat Test 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
- 11. Comparison Chart You will need to : Complete Heat Test Compare with another group- 3 different tests and their results Answer Why Differences Occur Get your third signature when you’ve completed Heat Test + Comparison Ready for MYSTERY POWDER
- 12. 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
- 13. Heat Test 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
- 14. Sticky Black Silky Smooth Rough Hard Crunchy Rubbery Milky Soft Gray Yellow Bright Crystalline White Dark Black Silky Smooth Rough Rough Opaque B right Dark Black Silky Smooth Rough Hard Crunchy Rubbery Milky Soft Gray Yellow Bright Crystalline White Dark Black Silky Smooth Rough Hard Crunchy Bright Flour Magnifier Testing Trays (2) Stir Sticks (4) Iodine Vinegar Solubility Tray- leave out of big bag Check out
- 15. Lab Clean UP -10 points will be taken for unclean labs Sinks clean Counters & Table Tops Clean & Dry DO NOT sweep powders onto floors DRY the inside of the Supply Bag (Testing Equipment) Powder Bags stacked straight up inside Large Zip Lock Bag Let Me Know if supplies need to be added/changed
- 16. Homework CSI Mystery Powder Lab – Due Tomorrow Alien Juice Bar – Due Tomorrow