Chapter 1 Vocabulary
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| critical thinking | comparing what you already know with the information you are given in order to decide whether you agree with it
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| hypothesis | possible explanation for an observation that can be tested by scientific investigations
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| inference | logical explanation that is drawn from prior knowledge or experience
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| observation | act of using one or more of your senses to gather information and taking note of what occurs
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| prediction | statement of what will happen next in a sequence of events
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| science | investigation and exploration of natural events and of the new information that results from these investigations
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| scientific law | rule that describes a pattern in nature
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| scientific theory | explanation of observations or events that is based on knowledge gained from many observations and investigations
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| technology | practical use of scientific knowledge, especially for industrial or commercial use
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| description | spoken or written summary of observations
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| explanation | interpretation of observations
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| International System of Units (SI) | internationally accepted system for measurement
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| significant digits | number of digits in a measurement that you know with a certain degree of reliability
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| dependent variable | factor that you want to observe or measure during an experiment
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| independent variable | factor that you want to test that is changed by the investigator to observe how it affects a dependent variable
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| variable | any factor that can have more than one variable
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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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