chapter one
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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variable | something that can change in a test
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hypothesis | statement of what you think will happen during an investigation
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control group | a standard against which change is measured
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observation | something you find out about objects, events, or living things using your senses
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procedures | step-by-step instructions for completing a task
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experiment | the use of scientific methods to test hypothesis
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inference | a conclusion based on observations
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data | information from which a conclusion can be drawn or a prediction can be made
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evidence | observations that make you believe someting is true
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precision | the ability to consistantly repeat a measurement
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accuracy | ability to make a meke a measurement that is as close to the actual value as possible
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models | objects or ideas that represent certain things
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survey | Questions that are answered by people. Great for opinion questions.
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sampling | examine random individuals from a random population
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independent variable | the variable u can control or change
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dependent vairable | its is whats measured. changes when the independent varible changes.
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experimental group | the group that doesnt get
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control group | the group that gets the special treatment
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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:
deedee-podshadley
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