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43 Cards in this Set
- Front
- Back
the process of gathering knowledge about the natural world
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science
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Space and Earth Science
Life Science Physical Science |
3 branches of science
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study of all living things
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Life Science
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study of matter and energy
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Physical Science
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the "stuff" everything is made of
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matter
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the ability to do work
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energy
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study of all forms of matter, including how matter interacts with other matter
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Chemistry
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looks mostly at different forms of energy and the way that energy affects matter
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Physics
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affects all the other branches
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Physical Science
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ways to solve problems
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Scietific Method
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educated guess based on something you alredy know
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predicton
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an use of your senses to gather information. Take these immediatly and accurate
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observation
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the application of science for practical purposes
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technology
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tests one variable at a time and keeps all the rest the same
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controlled experiment
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any of the factors you can test for
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variable
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the one you change
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independent variable
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the one that changes as a result of your independent variable
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dependent variable
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all the variables that stay the same
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constants
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pieces of information acquired through observation or experimentation
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data
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rewrite the data and draw conclusions- infer
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Analysis and Conclusion
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a representation of an object or system that helps you understand
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model
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Physical
Mathmatical Conceptual |
3 types of models
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looks like what they represent
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physical model
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made of equations and data
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mathmatical model
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ideas or comparisons with familiar things
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conceptual
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an explanation for several hypotheses and observations and has been supported by testing
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theory
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a summary of many experiments and observations over a long period of time
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law
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what we refer to for the metric system
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SI
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the basic SI unit of length is
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meter (m)
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the amount of matter that something is made of
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mass
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the amount of space that something occupies
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volume
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the volume of liquids is given in
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liters (L)
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the volume of solids is usually given in
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cubic meters (m3)
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the arch in liquids caused by surface tension
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meniscus
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the amount of matter in a given volume
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density
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density= mass
------ volume |
equation for calulating density
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a measure of how hot or cold something is
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temperature
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the SI units for temperature are
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celcius and kelvin
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.001
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milli
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.01
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centi
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1,000
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kilo
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can be expressed as grams per mL or grams per m3
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density
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grams (g), kilograms (kg), milligrams (mg)
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mass
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