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Crime Busters Science Olympiad

Authored by Lucas Cave

Chemistry

3rd - 7th Grade

Used 121+ times

Crime Busters Science Olympiad
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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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