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A ROTATION EXPERIMENT
COMPARISON OF THE EFFECTS OF PREVIOUS TRAINING WHEN
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20 weeks acid ammonia answer appears biology Bunsen burner cent chemical judgment Chemistry Department clamp CLASS PERFORMANCE course delivery tube demonstration method devise equating experimental filter paper flame following directions FREQUENCY HABIT MODEL gases given glass tube HABIT MODEL OMIT heating heavier than air HIGH SCHOOL CHEMISTRY Holt Lake hydrogen hydrogen chloride hypothesis individual laboratory individual method INDIVIDUAL PERFORMANCE TEST instruction Laboratory Manual laboratory practice LABORATORY PROJECTS LABORATORY TECHNIQUE learning lighter than air liquid MANUALS EXAMINED measure mortar and pestle nitric oxide NITROGEN OXIDES number of items Number of Pupils outcomes Park High School PERFORMANCE OF LABORATORY Problem Method procedure purposes QUESTIONNAIRE ON LABORATORY questions Regents Examination reliability ROTATION EXPERIMENT S.D. of Difference scientific thinking selected SET UP APPARATUS Seward Park High solid soluble soluble in water stopper substances Sum of Means Syllabus TABLE tasks test tube tion topics true difference valid vessel written tests York City