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NAEP Instruments → Cognitive Items and Instruments → Development of the Science Cognitive Items and Instruments → Number of Science Items, by Content Area and Grade: 2005
| Grade | Total | Earth science | Life science | Physical science |
|---|---|---|---|---|
| 4 | 152 | 45 | 54 | 53 |
| 8 | 224 | 67 | 70 | 87 |
| 12 | 205 | 77 | 70 | 58 |
| SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2005 Science Assessment. | ||||
Last updated 22 August 2008 (JL)