CSI Day 3
- 1. You will Need: Pencil, Log #4 – update w/ graded paper points d Table completely cleared off CSI Mystery Powder Lab – Passed out last week
- 2. Friday, June 1st • On-line Component • ½ page of notes – What to Know for the Chemistry Final • Binder Check #4 1. Due at the beginning of class Monday, June 4th 1. Test Part 2 Written Tuesday, June 5th • Test Part 2-3rd Period ONLY
- 3. 1. A substance transitioning from a solid to a gas w/out becoming a liquid is called? 2. The state of matter made up a attached and organized repeating patterns of atoms? 3. The most abundant form of matter in the universe is? 4. Which state(s) of matter usually do not have the shape of their container? 5. If your mass on Earth is 54 kg, your mass on the moon would be close to?
- 4. • In order slow down a chemical reaction a scientist may use a ________________. • Isotopes of the same element are different because? • The substance in a mixture that has the most quantity would be called the? • Atoms are never lost or gained during a chemical reaction. They are just ___________. • A neutral atom of Oxygen has 8 protons and 10 neutrons. How many electrons does it have? Why?
- 5. 1. Give any example of a heterogeneous mixture. • How can you neutralize a substance with a pH of 9? (give two ways) • Ductility is the ability of a metal to do what? 4. Types of elements that tend to gain electrons are which type? • A bond formed when atoms transfer electrons is a(n) _______________ bond. • What type of ION is present in bases? • The majority of the volume in an atom is found where? • The most active nonmetals on the periodic table are the ___________________.
- 6. • Long Hair MUST be tied back • Loose sleeves, bracelets must be pushed up or removed. • Appropriate Lab Behavior • Consequence = Book Work- See Side Board
- 7. Bla Sil ck k Sm y Ro ooth St ic Ha ugh Bla k y Iodine rd Cru Silk ck Vinegar Ru nchy Sm y bb Mi lky ery Ro ooth Check So u ft Ha gh out Gr r ay Cru d Ye llow Ru nchy Bri b gh Mil bery Cry t k Wh sta So y f Da ite lline Gra t Magnifier Bla rk Ye y l Sil ck Bri low ky Flour g Cry ht mo Wh stallin Stir Sticks (4) oth ug h Da ite e rk d Bla hy Silk c k Sm y Ro ooth u Ro gh u Op gh a B r que igh t Solubility Tray- leave out Testing Trays of big bag (2)
- 8. • Problem: Scientific Results must be kept free of contamination…..so….. • Do Not DOUBLE DIP!!!!! • Clean your hands each time you use a new powder!!!!! • Stir sticks should be trimmed when contaminated.
- 9. Test Powder Powder Powder Powder Powder #1 #2 #3 #4 #5 Sugar Flour Baking Corn Salt Soda Starch Senses Sound, Sight, Touch 3 unique bullets for each Smell (waft) square – one simile Solubility The ability Get Mrs. M.’s Signature to dissolve, after finishing 2 complete (blend) in water tests
- 10. Test Powder Powder Powder Powder Powder #1 #2 #3 #4 #5 Sugar Flour Baking Corn Salt Soda Starch Iodine Pinch +3 DROPS 3 unique bullets for each square – 1 simile Vinegar Get Mrs. M.’s Signature Pinch + 3 DROPS after finishing 2 complete tests
- 11. You will need: • Matches Check Out • Bunsen Burner • Cooking Table Clean screen when done • 5 pieces of foil Throw away after test Apply Heat only until it starts to smoke • Get your third signature when you’ve completed Heat Test + Comparison
- 12. 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 Organize Binder #4 or Create ½ page of notes
- 13. Bla Sil ck k Sm y Ro ooth St ic Ha ugh Bla k y Iodine rd Cru Silk ck Vinegar Ru nchy Sm y bb Mi lky ery Ro ooth Check So u ft Ha gh out Gr r ay Cru d Ye llow Ru nchy Bri b gh Mil bery Cry t k Wh sta So y f Da ite lline Gra t Magnifier Bla rk Ye y l Sil ck Bri low ky Flour g Cry ht mo Wh stallin Stir Sticks (4) oth ug h Da ite e rk d Bla hy Silk c k Sm y Ro ooth u Ro gh u Op gh a B r que igh t Solubility Tray- leave out Testing Trays of big bag (2)
- 14. -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
- 15. • Binder Check #4 –Due Friday, June 1st • ½ page of notes for Final Exam – Due Friday, June 1st