1. Science Crime Busters

2. FLOW CHART
NaCl, NaHCO3, CaSO4, CaCO3, NaC2H3O2, sugar, sand, Vitamin C (ascorbic acid), cornstarch, flour, yeast, gelatin, Alka Seltzer
Water
Bubbles
Cloudy/odor
Insoluble
Soluble
Swells   
Go On
Go On
Gelatin
Alka Seltzer
Yeast

3. Gelatin
Go Back

4. Go Back
Alka Seltzer

5. Yeast
Go Back

6. Observe Color Before Adding KI3, or Observe Mixture Dissolution
Insoluble
KI3
Deep Blue
Nothing
Brown/Tan/ Yellowish 
Observe Color Before Adding KI3, or Observe Mixture Dissolution
Add Vinegar (Acid)
Off White
Pure White
Bubbles
No Bubbles
Flour
Plaster of Paris
Corn Starch
Limestone  

7. Sand
Go On

8. Go On

9. Go Back

10. Flour Cornstarch
Go On

11. Flour Cornstarch
Go Back

12. No Bubbles Bubbles CaSO4 CaCO3
Go Back

13. Soluble/ Clear Solution
pH paper
Base
Acid
Neutral 
Add Vinegar (acid)
Observe Crystals
Vitamin C
Bubbles
No Bubbles
Hexagonal
Cubic
Sodium Acetate
Sugar
Salt
Bicarbonate of soda  

14. Vitamin C
Go On

15. Go On

16. Go Back

17. Sodium Acetate Sodium Bicarbonate
Go Back

18. Sugar
Go On

19. Sodium Chloride
Go On

20.    Metals Silvery Gray or Black Silvery or Gray Silvery or Gray
Appearance
Silvery
Gray or Black
Silvery or Gray
Silvery or Gray
Yellow-orange  Cu
Magnet
None
None
None
Attraction 
HCl Fe
bubbles
none
none
Use density test or tin more malleable than aluminum  Zn

21. Delaware Science Resource Center
Jack Cairns
Director
Delaware Science Resource Center
Co-Director
Science Olympiad