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Science Crime Busters. FLOW CHART Water SolubleInsoluble Bubbles Cloudy/odor NaCl, NaHCO 3, CaSO 4, CaCO 3, NaC 2 H 3 O 2, sugar, sand, Vitamin C (ascorbic.

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Presentation on theme: "Science Crime Busters. FLOW CHART Water SolubleInsoluble Bubbles Cloudy/odor NaCl, NaHCO 3, CaSO 4, CaCO 3, NaC 2 H 3 O 2, sugar, sand, Vitamin C (ascorbic."— Presentation transcript:

1 Science Crime Busters

2 FLOW CHART Water SolubleInsoluble Bubbles Cloudy/odor NaCl, NaHCO 3, CaSO 4, CaCO 3, NaC 2 H 3 O 2, sugar, sand, Vitamin C (ascorbic acid), cornstarch, flour, yeast, gelatin, Alka Seltzer Swells Go On GelatinAlka Seltzer Yeast

3 Gelatin Go Back

4 Alka Seltzer

5 Yeast Go Back

6 KI 3 Observe Color Before Adding KI 3, or Observe Mixture Dissolution Insoluble NothingDeep Blue Add Vinegar (Acid) BubblesNo BubblesOff WhitePure White Brown/Tan/ Yellowish Flour Corn StarchLimestone Plaster of Paris

7 Sand Go On

8

9 Go Back

10 Flour Cornstarch Go On

11 Flour Cornstarch Go Back

12 No Bubbles Bubbles CaSO4 CaCO3

13 pH paper Soluble/ Clear Solution BaseNeutral Add Vinegar (acid) BubblesNo Bubbles Acid Observe Crystals CubicHexagonal SugarSalt Bicarbonate of soda Sodium Acetate Vitamin C

14 Go On

15

16 Go Back

17 Sodium Acetate Sodium Bicarbonate Go Back

18 Sugar Go On

19 Sodium Chloride Go On

20 Appearance Metals Yellow-orangeSilveryGray or Black Silvery or Gray Cu Magnet None Attraction Fe HCl bubblesnone Zn Use density test or tin more malleable than aluminum

21 Jack Cairns Director Delaware Science Resource Center Co-Director Science Olympiad jcairnsc@aol.com


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