14.3 - Designing an Experiment (Exploration)
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Practice Questions
Test your understanding with targeted questions
What is the purpose of a hypothesis in an experiment?
💡 Hint: Think about the statement made before testing the experiment.
Define an independent variable.
💡 Hint: What do you change to see how it affects something else?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a hypothesis predict?
💡 Hint: What can you 'guess' before conducting an experiment?
True or False? Controlled variables are those that are deliberately changed in an experiment.
💡 Hint: Think about what is not changed throughout your experiment.
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Challenge Problems
Push your limits with advanced challenges
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.
💡 Hint: Consider how you plan to measure solubility accurately.
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.
💡 Hint: Think about how student energy levels may fluctuate throughout the day.
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Reference links
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