Vocabulary words for science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| observation | recovering and noting some FACT to gather informaion abut the world. Observations must be specific and accurate, no relative, so that it means he same to everone.
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| Qualatative observations | factual descriptions that do not use numbers
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| Quantative observations | factual descritions that do use numbers
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| Inference | a possible explanation or guess about an observations
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| Metric system | a form of meusurement used in foreign countries
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| Kilo | 1000
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| centi | 1/100
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| milli | 1/1000
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| Classify | group by similiar characteristics
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| communication | tell ohers what you know
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| experimental investigation | did you test a hypothesis
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| observational investigation | did you make observaions using your five senses to gain infomation about an object or a process
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| prediction | make a forcast
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| hypothesis | educated guess
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| independent variable | change experimenter makes in an experiment. Also known as the manipulated variable. "I" change this first.
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| dependent variable | change that responds to the iv. This change depends on the iv. This change is the data collected or data meusured to determine if the iv has an effect. This change happens after the iv.
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| constant | the factors that must stay the same in order for the experiment to be a fair test. The experimenter may
only change one variable-the iv-all other facors must stay the same
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| control | standard of comparison
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| fair test | an experiment that changes only one factor
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| repeated trials | completing an experiment many times. This is done to make the experiment a fair test
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