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LE Safety
Safety & Scientific Method Vocab
| Question | Answer |
|---|---|
| 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 |