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CMS Sci Unit 1
Curtis MS Science Gr8, Unit 1 - Terms You Should Know
Question | Answer |
---|---|
Dependent Variable | The variable measured in an experiment. Posted on Y axis. Known as "Responding Variable" "DRY" = Dependent Responding on Y axis |
Independent Variable | Variable in an experiment you manipulate. Posted on the X axis. Known as "Manipulated Variable" "MIX" = Manipulated Independent Variable on X axis. |
Bar Graph | A graph comparing two or more items using vertical or horizontal bars. |
Line Graph | A graph using line segments to show changes occurring over time |
Pie Graph | A graph showing parts out of a whole or compares different categories in relation to the total. Often shows percents. |
Observation | The process of using one or more of your senses to gather information. |
Inference | A conclusion reached on the basis of evidence and reasoning |
Hypothesis | A statement based on evidence. Must be testable |
Theory | A scientifically acceptable (well -tested) principle offered to explain a broad range of observations |
Waft | The safe way to smell a chemical by moving the hand in a wave-like motion over a substance causing a breeze which carries a faint odor of the substance |