Materials:
A plate
Flour
Four different sized rocks
Sand (maybe)
What to do:
Tip the flour into the plate and then order your rocks from biggest to smallest.
From about a metre high, drop the first rock then lift it carefully out of the flour.
Drop the other rocks from different heights and see what the difference is. Try it in sand as well.
My Prediction:
I predict that the biggest rock will make the biggest hole and the smallest rock will make the smallest hole.
Flour
Four different sized rocks
Sand (maybe)
What to do:
Tip the flour into the plate and then order your rocks from biggest to smallest.
From about a metre high, drop the first rock then lift it carefully out of the flour.
Drop the other rocks from different heights and see what the difference is. Try it in sand as well.
My Prediction:
I predict that the biggest rock will make the biggest hole and the smallest rock will make the smallest hole.
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