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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define what an independent variable is.
💡 Hint: Think about what you can change in an experiment.
Question 2
Easy
What do you call observations that do not involve numbers?
💡 Hint: These are descriptive but not numerical.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is a hypothesis?
💡 Hint: Think about how it starts with 'If...then...because...'.
Question 2
In an experiment, the dependent variable is the one that you:
- Change intentionally
- Measure as a result
- Keep constant
💡 Hint: What is being measured in the experiment?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are tasked to design an experiment investigating how different concentrations of salt affect the rate at which ice melts. Describe your setup including hypothesis, IV, DV, and controlled variables.
💡 Hint: Consider how salt interacts with ice in real life.
Question 2
Discuss how you would rewrite a hypothesis if initial test results were inconclusive, while still following the scientific method.
💡 Hint: Think about how scientists learn from unexpected outcomes.
Challenge and get performance evaluation