Practice Designing An Experiment (exploration) (14.3) - Chapter 14: The Internal Assessment (IA) - Practical

Practice: Designing an Experiment (Exploration)

Lesson 14.3The Internal Assessment (IA) - Practical

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the purpose of a hypothesis in an experiment?
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Think about the statement made before testing the experiment.
Question 2.
Define an independent variable.
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What do you change to see how it affects something else?
3Question 3.
What does a hypothesis predict?
- A Personal Opinion
- An Expected Result
- An Observation
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What can you 'guess' before conducting an experiment?
4Question 4.
True or False? Controlled variables are those that are deliberately changed in an experiment.
- True
- False
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Think about what is not changed throughout your experiment.
Question 5.
You are tasked with investigating how temperature affects the solubility of salt in water. Outline the experimental design including your variables, procedure, and safety considerations.
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Consider how you plan to measure solubility accurately.
Question 6.
In a classroom experiment, you find that reaction times vary when students perform tests at the same temperature but different times of day. Discuss how you would control for time of day in your experimental design.
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Think about how student energy levels may fluctuate throughout the day.

4 more questions in this section. Enroll free to practise them all.