The display-tray records · complete picture wordsYear 4 Science · T1 W7–8 · Aids / A08 alternative

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Made-up practice record. A museum display compares water lost from matching trays over the same 30-minute interval, using the same taught mL reading procedure. Start amounts, place and tray type are matched. Different display labels name trays J, K and L; the source does not specify a cause for differences. The valid supplied lost-water values are J=10 mL, K=0 mL, L=5 mL. Tray M has no recorded value. Tray N spilled, so its value is invalid for this comparison. Another group's matched record gives J=5 mL. These are invented supplied records, not measurements you made.

Q1: Make a table or columns for J, K and L. Keep the unit. My response: __

Q2: Which record is zero, which is missing, and which had a spill? My response: __

Q3: Compare the two J readings. What could you check next? My response: __

Q4: Can these records prove J always loses 10 mL? Explain. My response: __

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Checked process facts and limits · F1/F2/F3/F4 as relevant; supplied fiction/data not factual observations