click below
click below
Normal Size Small Size show me how
Matter Vocab
MAtter Vocab
Term | Definition |
---|---|
Element | a pure substace where all the atoms are the same ( on periodic table ) |
Subatomic Particle | particles that are smaller than an atom and make up an atom |
Proton | subatomic particle with a positive charge |
Neutron | subatomic particle with a neutral charge |
Electron | subatomic particle with a negative charge |
Matter | anything with mass and volume |
Atom | the smallest unit of matter |
Atomic Number | the number of protons in the nucleus of an atom |
Atomic Mass | the number of protons and neutrons in the nucleus of an atom |
Mixture | two or more pieces of matter than can be mixed together or seperated |
Solution | two or more pieces of matter than can be mixed together, but not easily seperated |
Compound | made up of two or more different kinds of atoms |
Physical Change | no new substance created |
Chemical Change | a new substance created |
Water Displacement | the method used to measure the volume of an irregulary shaped object |
Mass | the amount of matter an object has |
Volume | the amount of space an object takes up |
Density | Mass/Volume how much matter something has in a given amount of space |
Metric System | based on the number 10, and used by scientist all around the world |
Solids | definite shape and definite volume |
Liquids | no definite shape, but has a definite volume |
Gases | no definite shape and no definite volume |
Boiling | a liquid turns into a gas |
Melting | a solid turns into a liquid |
Freezing | a liquid turns to a solid |