Crime Busters Science Olympiad
Authored by Lucas Cave
Chemistry
3rd - 7th Grade
Used 121+ times
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3 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Crystal Shape-powder-irregular shape
Color-white
Solubility-yes
pH-9
HCI-none
Iodine-none
Notes-endothermic and has a distinctive sweet odor
Calcium Carbonate
Sodium acetate
Flour
Baking Soda
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Crystal shape-random
Color-white
Solubility-no
pH-7
HCI-none
Iodine-none, bad odor
Notes-does nothing, may have black specks
Cornstarch
Flour
Yeast
Sand
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Crystal shape-powder
Color-white
Solubility-no
pH-7
HCI-fizz
Iodine-none; the color looks sort of like mustard/peanut butter
Notes-the powder itself is very airy and holey
Calcium Carbonate
Yeast
Mustard
Turantulas
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