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science
Question | Answer |
---|---|
liquid | particles move a little faster and slide past each other |
gas | particles move so fast that they spread out to fill there container |
solid | partials vibrate,but dont move there posison |
boiling point | when a liquid turns into a gas |
melting point | when a solid turns into a liquid |
freezing point | when a liquid turns into a solid |
mixture | two or more pieces of matter mixed together that can be separated |
compound | made up of two or more kinds of atoms |
Solution | two or more substance's that can mixed together,but not easly separated |
Element | pure substance where all atoms are the same |
Proton | a subatomic partical that has a positive charge |
Electron | the subatomic partical that fills the shells around the atom |
Subatomic Particle | a proton,neutron,electron |
Neutron | a subatomic partical that has a newtaral charge |
Matter | anything that has mass and takes up space |
Atomic Number | how many protons are in the atom |
Atom | the smallest unit of matter |
Atomic Mass | how much mass is in the atom |
Physical Change | when an objects physical fetus change |
Mass | the amount of matter in an object |
Density | how much matter an object contains in a given amount of space |
Chemical Change | when a new substance is formed |
Volume | the amount of space an object takes up |
Metric System | scientist use the METRIC SYSTEM for measerment |
Water Displacement Method | to find the volume of a oddly shaped object |
Qualitative | 5 sences |
Quantitative | numbers |
Homogeneous | same |
Heterogeneous | diffrernce |