Chemistry Definitions
Matter: matter never changes wherever you are Mass: the amount of matter that occupies something, changes with different gravitational pull.
Physical change: A change that can be reversed, no new substance is created. The product may change shape but won't change state.
Chemical Change: A brand new product is formed e.g. gas bubbles, endothermic / exothermic reactions, colour change, and state change, etc...
Volume: The amount of space occupied by a three-dimensional object as measured in cubic units.
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