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Science Exam


Inference a conclusion reached on the basis of evidence and reasoning.
Observation the action or process of closely observing or monitoring something or someone.
Dependent variable this is what you are trying to measure. It depends on all other variables. For the 100-metre run, the variable is the time taken.
Independent variable this is the variable you are going to test and is what the dependent variable depends on. Change this and what you are trying to measure will probably change too. For the 100-metre run, you might choose the surface to run on.
Controlled variable these are all the other variables that you don't want to test right now. These are kept constant.
Soluble able to be dissolved.
Insoluble incapable of being dissolved.
Solvent able to dissolve other substances.
Solute the minor component in a solution dissolved in the solvent.
Sewage waste water and excrement conveyed in sewers.
Sewerage the provision of drainage by sewers.
Biotic factors these are living factors that include partners for mating, organisms to eat, and organisms they may compete with for food and shelter.
Abiotic factors these are non-living factors that include light, wind, soil, air and temperature.
Solution is a type of mixture of two or more substances.
Created by: Christian.Donato