Grade 5 · Science · Lesson 7

Ask Testable Questions

Every science investigation begins with a question. But not every question can be answered by an experiment. A testable question is one you can answer by measuring or observing something carefully. Learning to ask testable questions is the first skill of a scientist.

What this lesson teaches

1Explain what makes a question testable
2Tell the difference between testable and opinion questions
3Rewrite vague questions as measurable, testable ones
4Choose the variable you would measure to answer a question

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