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