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Read the explanation, check the common trap, then practise with flashcards and questions.
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This objective helps connect Experimental design outcomes to exam-style questions, flashcards, and revision notes for Experimental design.
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Flashcard 1 of 10
Question 1 of 7
Choose an answer, get feedback, then move sideways through the set.
Method
In this experiment, you will mix sodium thiosulfate with hydrochloric acid and measure the time taken for a precipitate to form at different temperatures.
| Temperature (°C) | Time taken (s) |
|---|---|
| 20 | 30 |
| 30 | 20 |
| 40 | 15 |
| 50 | 10 |
State the independent variable in this experiment.
Aim for approximately 1 distinct marking point.
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Experimental design outcomes
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