Mass
Physics: Edexcel IGCSE, topic 1.3.8
Mass
The mass of an object is a measure of the amount of matter it contains. The mass of an object is constant. It is the same on Earth, on the Moon and in space.

Amount of matter
- An object's mass is a measure of the amount of matter that it contains.
Test yourself on Mass
Which of these is the same on the Sun, Moon and Earth?
Which of these are true of mass?