How to measure the volume occupied by granulated sugar crystals (without air gaps) poured to the brim in a 200 ml glass?

How to measure the volume occupied by granulated sugar crystals (without air gaps) poured to the brim in a 200 ml glass? What devices and materials do you need? Sugar for the experience is not a pity.

Pour sugar from the glass into a measuring beaker. Measure the volume. In a second beaker, measure the volume of the butter and pour it into the sugar so that the level is higher than the sugar level. The oil will displace the air between the saccharins.

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