AC9S4I02 • Practice

Planning Fair and Safe Investigations

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SkillrHub Practice guide

Each attempt draws five questions from the full bank. Repeat an attempt to meet more questions.

Worked model: The scaffold compares shoe friction. What is deliberately changed?

Worked answer: The shoe being tested. The scaffold names shoe as the comparison and lists relevant controls.

Check your reasoning: Read the change row.

Practical responses: An adult checks your completed work against the task-specific guidance before awarding credit.

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