```
Density = mass / volume
```
where:
* Density is measured in kilograms per cubic meter (kg/m³).
* Mass is measured in kilograms (kg).
* Volume is measured in cubic meters (m³).
To find the density of an object, you need to know its mass and volume. You can measure the mass of an object using a scale. To measure the volume of an object, you can use a graduated cylinder or a beaker.
Here is an example of how to calculate the density of a block of wood:
1. Measure the mass of the block of wood using a scale. Let's say the mass of the block of wood is 100 grams (0.1 kilograms).
2. Measure the volume of the block of wood using a graduated cylinder or a beaker. Let's say the volume of the block of wood is 100 cubic centimeters (0.0001 cubic meters).
3. Calculate the density of the block of wood using the formula:
```
Density = mass / volume
```
```
Density = 0.1 kilograms / 0.0001 cubic meters
```
```
Density = 1000 kilograms per cubic meter
```
Therefore, the density of the block of wood is 1000 kilograms per cubic meter.
