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15 Cards in this Set
- Front
- Back
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physical science
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the study of matter and energy
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scientific method
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a series of steps that scientists use to answer qustions and solve problems
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technolagy
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the application of knowledge,tools,and myterials to solve problems and accomplish tasks:technolagy can also refer to the objects to acomplished tasks
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observation
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any use of the senses to gather info
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hypothosis
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a possible explanationor answer to a qustion
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data
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any peices of info acquired through experimantation
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theory
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a unifying explanation for a broad range of hypotheses and observations that have been suported by testing
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law
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a summary of many experimental results and observations; a law tells how things work
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modle
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a representation of an object or system
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meter
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the basic unit of length in the si system
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volume
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the amount of space that something occupes or the amount of space that something contains
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mass
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the amount of matter that something is made of
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temperature
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a measure of how got or cold something is; specifically, a measure of he average kinetic energy of the particles in a object
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density
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the amount of matter in a given space mass per unit volume
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area
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a measure of how much surface an object has
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