chapter2
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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hypothesis | a statement of what you think will happen during an investigation
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observation | you find out about objects events or living things using your senses
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experiment | the use of scientific methods to test your hypothesis
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variable | something that can change in a test
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control group | the group that does not get the special treatment
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procedures | step-by-step instructions for completing a task
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model | objects or ideas that represent other things
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sampling | examining random indivituals from a population
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independent variable | the variable that you control
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dependent variable | what gets measured changes when independent changes
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experimental group | gets the special treatment
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surveys | questions that are answered by people good for opinions
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data | information from which a conclusion can be made
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evidence | observations you make when you think something is true
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inference | a conclusion based on an observation
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accuracy | a score as close to the real thing as possible
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precision | constantly repeting an experiment
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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:
alexander-
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