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If the density of oil is 0.9 g/cm³, will it float or sink in water?

Sink.

Neither.

Float.

Both float and sink.

Which of the following is the correct method for measuring the density of an irregularly shaped object?

By measuring its mass and dividing by the volume of a cube.

By submerging it in a liquid and measuring the displacement.

By measuring its mass and dividing by the volume of a sphere.

By calculating its mass and comparing to a reference.

How would you increase the density of an object?

Increase its mass and keep volume constant.

Decrease its mass.

Increase its volume.

Decrease its volume and keep mass constant.

What is the volume of a 10 kg object if its density is 2 kg/m³?

2 m³.

1 m³.

5 m³.

0.5 m³.

If the density of a material is 2 g/cm³, what is the density of this material in kg/m³?

2 kg/m³.

2000 kg/m³.

1000 kg/m³.

20,000 kg/m³.