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Q: What unit of measurement would you use to find the mass of a rock?

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Kilograms.

Kilograms.

The basic unit of measurement for mass is the kilogram. A 2 kg rock is twice the mass of a 1 kg rock.

A rock has a volume of 89mL and a mass of 34.6g. What is the density of the rock ?

Weigh it! The mass is usually found indirectly, via the weight.

Place a specific amount of water in your bottle. Record the volume. Place the rock in the bottle. Read and record the new volume of water. Subtract the first volume measurement from the measurement after you added the rock. The difference is the volume of the rock.

Density = mass / volume. Weigh the rock to find mass. To find volume, completely submerge the rock in a measuring cup partly filled with water and note the change in volume.

Balanced

You find a measure of the amount of matter in the rock.

- to determine the chemical nature of a rock - to determine the age of a rock by comparison

The answer will depend on how big the rock is.

The answer depnds on the density of each rock. If they are different denities thenthere is a chance that the 1mL rock may have more mass. If they have the same density then the 4mL rock will have more mass

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