Science Quiz / Grain Sizes

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Can you name the different sizes of grains?

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Score 0/11 Timer 02:00
Grain Size (mm)Wentworth Size Class (name)
> 256
64 - 256
4 - 64
2 - 4
1 - 2
1/2 - 1
1/4 - 1/2
1/8 - 1/4
1/16 - 1/8
1/256 - 1/16
< 1/256

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