NOS Chapter
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| biodegradable | capable of being broken down
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| organic | made of carbon; derived from living things
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| controlled experiment | contains two groups: controlled and experimental used to show how a changed in the independent causes a change in the dependent variable
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| observation | using one or more of your senses to gather information; take note of what occurs
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| inference | a logical explanation of an observation that is drawn from prior knowledge or experience
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| prediction | a statement of what wil happen next in a sequence of events or in an experiment
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| scientific theory | an explanation of observations or events based on knowledge gained from many observations and investigations
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| independent variable | in a controlled experiment, it it remains the same; it changes the dependent variable the factor that you want to test; it can be changed by the investigator to observe how it affects a dependent variable
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| dependent variable | the factor measured or observed during an experiment
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| variable | any factor in an experiment that can have more than one value
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| constant | the factor(s) in an experiment that remain the same
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| hypothesis | a possible explanantion about an observation that can be tested by scientific investigation(s)
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| description | a spoken or written summary of observations
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| explanation | an interpretation of observations
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| precision | a decription of how similiar or close measurements are to each other
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| accuracy | a description of how close a measurement is to an accepted or true value
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| bias | intentional or unintentional prejudice towards an outcome
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| ethics | an acceptable standard of conduct; rules of conduct or moral principle
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| blind study | a procedure that reduces bias; investigato, subject, or both do not know which item they are testing
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| sampling | a method of data collection that involves studying small amounts of something in order to learn about the larger whole
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Christie Williams
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