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LE Safety

Safety & Scientific Method Vocab

biotic living part of the ecosystem
abiotic nonliving part of the ecosystem
ecosystem area that contains both biotic and abiotic systems interacting together
species a single type of organism (dogs, cat, mouse, turtle,…) can successfully mate
population a group of a single type of organism (species) that live in a specific area; (dogs, cat, mouse, turtle,…)
community all the living organisms/populations (biotic) in an area
scientific method a specific repeatable set of steps or procedures used to answer a question or prove a hypothesis
hypothesis an educated guess as to the answer to a problem
control what does not change in an experiment and is used as a comparison
variable what changes in an experiment; only 1 in a valid experiment
independent variable the variable that is deliberately changed to observe the effect on the dependent variable (time)
dependent variable the variable that is expected to change when the independent variable is changed
qualitative observations observations made using your senses; color, texture, smell, taste…
quantitative observations observations that include a number; made using a measuring instrument
Created by: jgarrisi