physics aqa
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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| evidence | show 🗑
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| accuracy | show 🗑
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| calibration | show 🗑
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| show | Information, either qualitative or quantitative, that has been collected
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| show | the difference between a measured value and the true value
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| show | these are values in a set of results which are judged not to be part of the variation caused by random uncertainty
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| show | due to results varying in an unpredictable way from one measurement to the next. random errors present when any measurement is made, and cannot be corrected. The effect of random errors can be reduced by making more measurements and calculating a new mean
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| systematic error | show 🗑
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| zero error | show 🗑
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| fair test | show 🗑
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| hypothesis | show 🗑
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| show | the quantity between readings, e.g a set of 11 readings equally spaced over a distance of 1 meter would give an interval of 10 cm
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| show | precise measurements are ones in which there is very little spread about the mean value. Precision depends only on the extent of random errors - it gives no indication of how close results are to the true value
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| show | a prediction is a statement suggesting what will happen in the future, based on observation, experience or a hypothesis
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| show | the maximum and minimum values of the independent variable or dependent variables; important in ensuring that any pattern is detected
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| show | a measurement is repeatable if the original experimenter repeats the investigation using the same method and equipment and obtains the same results
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| show | a measurement is reproducible if the investigation is repeated by another person, or by using dif equipment or techniques, and the same results are obtained
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| show | this is the smallest change in the quantity being measured (input) of a measuring instrument that gives a perceptible change in the reading
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| show | a line graph, not necessarily on a grid, that shows the general shape of the relationship between two variables
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| show | the value that would be obtained in an ideal measurement
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| show | the interval within which the true value can be expected to lie, with a given level of confidence or probability, e.g the temp is 20 +2, at a level of confidence of 95%
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| show | suitability of the investigative procedure to answer the question being asked
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| show | A conclusion supported by valid data, obtained from an appropriate experimental design and based on sound reasoning
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| show | these are physical, chemical or biological quantities or characteristics
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| categoric | show 🗑
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| continuous | show 🗑
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| control | show 🗑
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| dependent | show 🗑
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| show | the independent variable is the variable for which values are changed or selected by the investigator
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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.
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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:
tabithaarosee
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