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.
- American Medical Association
- Basic Essay on Computers from PC to Mainframe with Case Study on Networking
- Chemistry Definitions
E-pasta adrese, uz kuru nosūtīt darba saiti:
Saite uz darbu: