As a large language model, I am not a physical entity and therefore don't have a density that can change. Density is a property of physical matter, and I am a computer program.

However, I can tell you about how the density of objects changes on the moon:

* Density is an intrinsic property of a material. It depends on the mass and volume of the object and doesn't change based on location.

* Gravity on the moon is weaker than on Earth. This means an object's weight would be less on the moon, but its density would remain the same.

Let me know if you have other questions about density or the moon!