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38 Cards in this Set
- Front
- Back
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what is matter?
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anything that has volume and mass
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what is volume?
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the amount of space taken up
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what is a meniscus?
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a curve that you see at the liquid's surface
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what is mass?
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amount of matter in a given substance
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what is gravity?
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force of attraction between objects due to their masses
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what is weight?
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measure of the gravitational force on an object
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what is a newton?
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SI unit of force
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What is the measure of the amount of matter in an object?
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mass
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what is always constant for an object no matter where the object is in the universe?
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mass
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what is varied depending on where the object is in relation to the earth?
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weight
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what is measured with a spring scale?
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weight
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what is measured with a balance?
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mass
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what is expressed in kilograms, grams, and milligrams?
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mass
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what is expressed in newtons?
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weight
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what is inertia?
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tendency of all objects to resist any change in motion
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what is a physical property?
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can be observed or measured without changing the identity of the matter
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what are some kinds of physical properties?
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mass, volume, color, oder, etc.
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what is thermal conductivity? give an example
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the ability to transfer thermal energy from one area to another
ie. plastic foam |
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what is a state of something?
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the physical form in which a substance exists (solid, liquid, gas)
ie. ice water |
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what is malleability? give an example
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the ability to be pounded into thin sheets
ie. aluminum |
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what is ductililty?
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the ability to be drawn or pulled into a wire
ie. copper |
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what is solubility? give an example
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ability to dissolve in another substance
ie. sugar dissolves in water |
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what is density?
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mass per unit colume
ie. lead |
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what is density?
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amount of matter in a given volume
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what is a chemical property?
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a substance based on its ability to change into a new substance with different properties
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what is a characteristic property?
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properties that are most useful in identifying a substance
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what is a chemical change?
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when a substance is changed into an entirely new substance
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what are some examples of chemical changes?
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soured milk, statue of liberty(use to be brown nd now is a greenish color)
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can chemical changes be undone?
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nope
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what are the states of matter?
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solid, liquid, gas
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what are the two types of solids?
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crystalline and amorphous
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what is a solid?
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matter that has definite shape and volume
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what do the particles of a solid do?
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they do not move and vibrate in place
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what do the particles of a liquid do?
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thy slide and move fast enough to over come some attraction between them
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what does the particles of a gas do?
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move fast and move independently of one another
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what is a liquid?
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state of matter that takes shape of its container and has definite volume
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density and texture is an example of _________ ____________.
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physical properties
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if something has a lower density, then it is _____________.
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heavier
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