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Matter
Structure and Transformation of Matter
| Question | Answer |
|---|---|
| Matter | is anything that has volume and mass |
| Volume | is the amount of space taken up by an object |
| Mass | is the amount of matter that something is made of |
| Weight | a measure of the gravitational force exerted on an object. |
| Density | is the amount of matter in a given space, or the mass per unit volume |
| solid | has definite shape and volume |
| liquid | changes shape but not volume |
| gas | change both shape and volume |
| Plasma | is a state of matter. an example of this state is lightning. |
| melting | solids to liquids |
| freezing | liquids to solids |
| vaporization | liquids to gases |
| Condensation | gases to liquids |
| sublimation | solids directly to gases |
| atom | the smallest unit of an element that still has the properties of that element |
| proton | a subatomic particle that has a positive charge |
| nucleus | the center of the atom, usually containing protons and neutrons |
| neutron | a subatomic particle that has the same mass as the proton but no electrical charge |
| electron | a subatomic particle that orbits an atom's nucleus, has a negative electric charge, and has very little mass |