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Observation reconizing and noting some fact to gather informaion about the world.
qualitative and quatitative observations qualitative observations are factual descriptions that do not use numbers. quantitative observations are factual descriptions that do use numbers.
Inference a possible explanation or guess about an observation.
prediction make a forecast.
classify group by similar characteristics.
communication tell others what you know.
what tool measures length? ruler or meter stick
what tool measures mass? TBB aka Triple Beam Balance
what tool measures volume? graduated cylinder
what tool measures tepurature? thermometer
what unit is used for length? meter
what unit is used for mass? gram
what unit is used for volume? liter
what unit is used for tempurature? C
how big is a kilo? 1000
how big is a centi? 1/100
how big is a milli? 1/1000
Observational Investigation Lab (investigation) when changes are being observed.
Experimental Investigation Lab (investigation) when hypothesis is being tested.
Hypothesis Educated guess
Independent Variable Change experimenter makes in an experiment. Also known as the manipulated variable.
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.
Constant The factors that must stay the same in order for the experiment to be a fair test.
Control Standard of comparison
Fair Test An experiment that changes only one factor.
Repeated Trials Completing an experiment many times. This is done to make the experiment a fair test.
Created by: 3082996