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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an independent variable? Give an example.
💡 Hint: Think about what you might change in an experiment.
Question 2
Easy
Define a control group.
💡 Hint: What group do we compare the experiment group to?
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 the independent variable in an experiment?
- The variable measured
- The variable changed
- The variable kept constant
💡 Hint: Think about what you wish to find out by changing something.
Question 2
True or False: Control groups receive the experimental treatment.
- True
- False
💡 Hint: Consider the purpose of having a control.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a comprehensive experiment to measure the effect of different types of soil on the growth of a sunflower. Identify all variable types and explain the significance of the control group.
💡 Hint: Think about what factors might affect the plant's growth and how to measure them!
Question 2
You want to test whether students study better in silence or with background music. Create a hypothesis and break down the independent, dependent, and controlled variables.
💡 Hint: What factors can remain unchanged, and which will you actively change?
Challenge and get performance evaluation