vocabulary
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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| Observation | reconizing and noting some fact to gather informaion about the world.
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| qualitative and quatitative observations | qualitative observations are factual descriptions that do not use numbers. quantitative observations are factual descriptions that do use numbers.
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| Inference | a possible explanation or guess about an observation.
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| prediction | make a forecast.
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| classify | group by similar characteristics.
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| communication | tell others what you know.
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| what tool measures length? | ruler or meter stick
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| what tool measures mass? | TBB aka Triple Beam Balance
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| what tool measures volume? | graduated cylinder
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| what tool measures tepurature? | thermometer
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| what unit is used for length? | meter
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| what unit is used for mass? | gram
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| what unit is used for volume? | liter
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| what unit is used for tempurature? | C
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| how big is a kilo? | 1000
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| how big is a centi? | 1/100
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| how big is a milli? | 1/1000
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| Observational Investigation | Lab (investigation) when changes are being observed.
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| Experimental Investigation | Lab (investigation) when hypothesis is being tested.
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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.
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| Dependent Variable | Change that responds to IV. This change depends on the IV. This change is the data collected or data measured 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.
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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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