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CAES Unit 1 vocab
Scientific Investigations
| Term | Definition |
|---|---|
| bar graph | a graph that uses horizontal or vertical bars to compare quantities. |
| circle graph | a graph that uses sections of a circle to compare part of a whole. The value in a circle graph is always 100%. |
| data | a collection of facts, observations or other information related to a question, observation, or an experimental investigation. |
| dependent variable | the factor or variable that may change as a result of the independent variable or the variable manipulated by the experimenter. |
| distance | the amount of space between two points, lines, or objects. |
| estimation | an approximation or educated guess at a quantity based on the facts known at that moment in time. |
| hypothesis | an idea that can be tested by an experiment or observation. |
| graphical representation | a pictorial display of the data. |
| independent variable | the variable of factor that is changed on purpose by the experimenter. |
| inference | an explanation based on available data at that moment in time. |
| line graph | a graph that shows the relationship between two quantities over time. |
| pattern | a recurring event. |
| phenomena | an observable event or occurrence. |
| predition | a statement of what is to happen based on what is known from observation |
| quantity | numbers, usually measurement with units. |
| repeated trials | the number of times that the independent variable is tested in an experiment. |
| scale model | a replica of an object. |
| sequence | sorting in a planned pattern. |
| validity | factual information based upon repeated trials. |
| experimental group | "guinea pigs" -- the real test group in an experiment |
| observation | something noted in an experiment or noticed about the world around you |
| control group | part of an experiment treated "normally" -- used to compare experimental results |
| theory | idea in science with at least some evidence or observations supporting it, useful in making predictions |
| direct observation | an observation made on something you can see or measure "firsthand" |
| indirect observation | observation about something you can't see or measure "firsthand" -- you must observe HOW OTHER THINGS ARE AFFECTED |
| law idea | in science proven correct repeatedly without exception |
| scientific method | steps often used in solving problems in science (can be helpful in solving any problem) |
| experiment | used to test a hypothesis |
| procedure | something DONE in an experiment |
| science | search for the true nature of the world and how it works based on our observations of it |
Created by:
kdelk
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