Year 11 · 2017 syllabus · Module 1 pilot

Conclusions that generate new questions — Build worksheet

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

Name: __________________________ Date: ______________

Question 1

Rewrite “The experiment worked.” as a conclusion using 10 °C: 90 s and 30 °C: 45 s.

State one limit of a two-temperature comparison.

Turn “human error” into a specific timing limitation.

Teacher answer key — 3 questions

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

Under the stated conditions, dissolving time was lower at 30 °C (45 s) than at 10 °C (90 s). Identify whether the supplied numbers are measured or teaching data.
It does not establish the relationship outside or throughout the interval and may not reveal variation without repeats.
For example, observer reaction delay affects the recorded start/end time and can add scatter or bias.