Unit 1 - Nature of Science
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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| inference | a logical interpretation based on prior knowledge and experience | an "educated guess"
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| data | evidence; information gathered from observations | the results of an experiment (either numbers or descriptions)
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| hypothesis | possible explanation for a set of observations or possible answer to a scientific question | a testable answer to a question
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| spontaneous generation | the idea that living organisms can be generated from non-living tissue | Redi's experiment (with meat and flies) and Pasteur's experiment (with bacteria and flasks) disproved this theory
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| controlled experiment | experiment in which only one variable is changed | everything is constant except one variable (independent)
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| independent variable | factor in a controlled experiment that is deliberately changed; also called manipulated variable | the thing "I" (or the scientist) is changing in an experiment
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| dependent variable | variable that is observed and that changes in response to the independent variable; also called the responding variable | the data; the thing in an experiment that is measured
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| constants | part of an experiment that is kept the same in order to provide comparison between the control and experimental groups | constant = stays the same
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| control group | group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable | the group that is left alone ("normal")
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| experimental group | group in an experiment that is exposed to the independent variable | the group you are changing something in
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| conclusion | the statements made about the findings of a controlled experiment that help explain the results | what you found out from an experiment
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| scientific journal | a collection of articles that outline the results of experiments and must be peer-reviewed before they are published | the best source of scientific info (peer-reviewed)
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| theory | well-tested explanation that unifies a broad range of observations and hypotheses, and enables scientists to make accurate predictions about new situations | a VERY highly accepted scientific idea (NOT an educated guess)
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| observation | process of noticing and describing events or processes in a careful, orderly way | using your senses to take in information from your surroundings
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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.
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.
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:
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