Identify the experimental question

The experimental question is the clear, specific, and testable question that an experiment is designed to answer. It often explores the relationship between the independent and dependent variables.

Lesson 3

Concept

An experimental question is the central question that a scientific experiment is designed to answer. It guides the entire experimental process. **Characteristics of a Good Experimental Question:** * **Specific:** It focuses on a particular relationship or effect. * **Testable:** It can be answered through a controlled experiment. * **Clear:** It is easy to understand what is being asked. **Format:** A common format for an experimental question is: "What is the effect of the [independent variable] on the [dependent variable]?" **Example:** * **Experiment:** Testing the effect of fertilizer on plant growth. * **Independent Variable:** Amount of fertilizer. * **Dependent Variable:** Plant growth. * **Experimental Question:** "What is the effect of the amount of fertilizer on the growth of the plants?"

Try it

Practice: Identify the experimental question.