chapter 3 pppooooppppoooo
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 | is something you find about objects ,events, or living things by using your scenes.
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Variable | is something that can change in a test.
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Control Group | the group that doesn't get the special treatment.
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Procedures | are step-by-step instructions for completing a task.
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Data | are information from which a conclusion can be drawn or a prediction can be made.
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Precision | is the ability to consistent repeat a measurement.
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Accuracy | is the ability to make a measurement that is as close to the actual value as possible.
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Inference | is a conclusion based on observations.
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Evidence | are observations that make you believe that something is true.
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Independent Variable | is one that you can control.
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Dependent Variable | changes when an independent variable changes,it is what get's measured ,and it gives you data.
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Experiment | use of scientific methods to test you hypothesis.
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Model | objects or ideas that represent other things.
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Survey | can be questions that are answered by people,and great for opinion questions.
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Sampling | examining random individuals from a population.
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Experimental 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:
carla-razzouk
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