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NAEP Instruments → Cognitive Items and Instruments → Development of the Science Cognitive Items and Instruments → Number of Science Items, by Field-of-Science Scale and Grade: 2000
| Grade | Total | Physical science | Earth science | Life science |
|---|---|---|---|---|
| 4 | 142 | 46 | 46 | 50 |
| 8 | 197 | 63 | 64 | 70 |
| 12 | 194 | 62 | 64 | 68 |
| NOTE: The numbers in this table represent the post-scaling counts of items. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000 Science Assessment. |
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Last updated 20 August 2008 (FW)