| A | B |
|---|
| change from a liquid to a solid | freezing |
| change that produces new substances | chemical change |
| phase of matter with definite shape and volume | solid |
| change that does not produce new substances | physical change |
| study of matter | chemistry |
| change from gas to a liquid | condensation |
| change from solid directly to a gas | sublimation |
| phase of matter with no definite shape or volume | gas |
| anything that has mass and takes up shape | matter |
| phase of matter with no definite shape but definite volume | liquid |
| change from solid to a liquid | melting |
| like poles on a magnet | repel |
| opposire poles on a magnet | attract |
| freezing, melting, evaporating, condensation, sublimation are all | phase changes |
| subatomic particles with Positive charges:) | Protons |
| subatomic particle with a negative charge:( | electron |
| the energy levels of an atom store | electrons |
| Subatomic particles found in the nucleus of an atom | protons and neutrons |
| all atoms of the same element have the same | atomic number |
| subatomic particle with NO electrical charge | Neutrons |
