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Science Vocab
| Question | Answer |
|---|---|
| Atom | small particles with the properties of the element |
| Atomic Mass | mass of an atom |
| Atomic Number | protons in an atom |
| Nucleus | the center of an atom |
| Proton | postitive particle in the nucleus |
| Neutron | neutral particle in the nucleus |
| Electron | negative particle outside the nucleus |
| Valance Electron | electrons in teh outermost level of an atom |
| Law of Conservation of Matter | atoms can be neither created nor destroyed |
| Element Molecule | the simplest molecule; same atoms |
| Compound Molecule | more than 2 different kinds of atoms |
| Products | the reaction of the atoms |
| Coefficient | the number before the element molecule |
| Subscript | number of atoms in an element |
| Balanced Force | the forces on an object are balanced |
| Direction | the way the object is facing |
| Force | a push or a pull |
| Newtons First Law | any object in motion will stay in motion and any object in rest will stay in rest unless acted upon by an unbalanced force |
| Newtons Second Law | the acceleration of an object depends upon the size of the force and the mass of the object |
| Newtons Third Law | For every action there is an equal or opposite reaction |
| Speed | the time the object takes divided by the distance it went |
| Unbalanced Force | the forces on an object are unbalanced |
| Velocity | the speed and acceleration |
| Meteor | once meteroids hit the atmosphere |
| Meteorite | the meteors that reach the ground |
| Meteoroid | the dust and rock in space |
| Elliptical Galaxy | circle shaped and lots of large/bright stars |
| Irregular Galaxy | No specific shape |
| Spiral Galaxy | whirlpool shaped |