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Year 11 · 2017 syllabus · Module 1 pilot

Recording and processing observations — Build worksheet

Original practice. Write explanations that distinguish observations, evidence and claims.

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Name: __________________________ Date: ______________

Question 1

Calculate the mean of 4.0, 4.2 and 4.1 cm.

Question 2

Calculate their range.

Question 3

Write headings for a table of water temperature and dissolving time with three repeats.

Teacher answer key — 3 questions

Model responses identify the essential ideas. Accept scientifically correct alternatives that address the question; wording need not match exactly.

  1. 4.1 cm.
  2. 4.2 − 4.0 = 0.2 cm.
  3. Initial water temperature (°C); dissolving time trial 1 (s), trial 2 (s), trial 3 (s); notes. Accept an equally clear layout.