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Science Vocab
Flashcards
| Question | Answer |
|---|---|
| Triple Beam Balance | equipment used to measure mass |
| metalloid | shares properties of metals and with nonmetals |
| transition elements | the elements in groups 3-12; are metals |
| Law of Conservation of Matter | all atoms cannot be created or destroyed |
| Newton's 3rd Law of Motion | For every action there's an opposite or equal reaction |
| Velocity | change in speed and direction |
| galaxy | large group of stars, dust,and gas held together by gravity; can be elliptical, spiral, or irregular |
| EM Spectrum | shows the range of wavelengths of electromagnetic waves |
| Light Years | distance light travels in space in a year |
| meteorite | a meteoroid that strikes the surface of a moon or planet |
| What's the formula for Speed? | Speed= Distance/Time |
| Unbalanced force | unequal forces acting on an object which results in a change in the object's motion in the direction of the larger force |
| If you spill a chemical, what is the first thing you should do? | Immediately report the situation to the teacher |
| Chemical Change | creates new substances that haave properties different from those of the original substances |
| Electron | negatively charged particle that exists in an electron cloud formation around an atom's nucleus |
| Chemical equation | shorthand form for writing what reactants are used and what products are formed in a chemical reaction |
| On a speed graph, what do you label the x and y axis? | x axis: time y axis: distance |
| HR Diagram | graph showing relationship between a star's temperature to its magnitude |
| Force | a push or a pull |
| molecule | 2 or more atoms chemically bonded together |
| Elements | cannot be broken down further into simpler substances |
| Newton's First Law of Motion | an object will remain at rest or move in a straight line at a constant speed unless acted by a force |
| Density | how "concentrated" an object is Formula: mass/volume |
| Subscript | shows how many of a certain atom is in one molecule |
| On an acceleration graph, if the acceleration of an object is shown as a straight, horizontal line, what does that indicate? | Staying at a constant speed over time |
| Wormhole | a theoretical structure in space time that forms a tube like connection between 2 separate regions of the universe |
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