The mass of an object does not change when it is moved to the moon. Mass is a measure of the amount of matter in an object, and this does not change regardless of where the object is located.

However, the weight of an object does change when it is moved to the moon. Weight is the force of gravity acting on an object, and this force is different on the moon than it is on Earth. The moon has a smaller mass than Earth, so the force of gravity is weaker on the moon. This means that an object will weigh less on the moon than it does on Earth.

For example, if you weigh 100 pounds on Earth, you would weigh about 16.5 pounds on the moon. This is because the force of gravity on the moon is about one-sixth of the force of gravity on Earth.