Formulating Testable Questions

Active learning works for this topic because students need to practice distinguishing vague curiosity from precise enquiry. Sorting, refining, and critiquing questions helps them internalize the structure of testable enquiry through repeated, scaffolded exposure.

• Year 6
• Science
• 4 activities
• 20 min–45 min

Learning Objectives

1. Critique given questions to identify at least two characteristics of a testable scientific question.
2. Formulate a specific, testable question from a broad scientific topic, identifying the independent and dependent variables.
3. Analyze a given investigation plan to determine if the formulated question is appropriate for a fair test.
4. Create a testable question that minimizes bias and allows for measurable data collection.

Carousel Brainstorm

⏱ 30 min·Pairs

Sorting Sort: Testable or Not?

Provide cards with 20 sample questions, half testable and half not. In pairs, students sort them into categories, then justify choices using criteria posters. Pairs share one example with the class for group vote.

Prepare & details

Explain the characteristics of a good scientific question.

Facilitation Tip: For the Sorting Sort, prepare two labeled boxes and have students physically move question cards to model the decision process.

Setup: Charts posted on walls with space for groups to stand

Materials: Large chart paper (one per prompt), Markers (different color per group), Timer

• Remember
• Understand
• Analyze
• Relationship Skills
• Social Awareness

Carousel Brainstorm

⏱ 25 min·Small Groups

Question Relay Race: Refinement Chain

Teams line up; first pupil writes a broad question on a card, passes to next who refines it into testable form. Continue until testable, then teams present final versions and explain changes.

Prepare & details

Critique examples of questions to determine if they are testable.

Facilitation Tip: During the Question Relay Race, set a visible timer and call out the next student only when the previous pair has agreed on a refined question.

Setup: Charts posted on walls with space for groups to stand

Materials: Large chart paper (one per prompt), Markers (different color per group), Timer

• Remember
• Understand
• Analyze
• Relationship Skills
• Social Awareness

Carousel Brainstorm

⏱ 45 min·Small Groups

Gallery Critique Walk: Peer Review Stations

Students write one broad and one testable question on posters, place around room. Groups rotate, adding sticky notes with feedback on testability. Debrief as whole class on common improvements.

Prepare & details

Construct a testable question from a general area of interest.

Facilitation Tip: At the Gallery Critique Walk, provide sticky notes so peers can leave specific, written feedback on each poster rather than verbal comments only.

Setup: Charts posted on walls with space for groups to stand

Materials: Large chart paper (one per prompt), Markers (different color per group), Timer

• Remember
• Understand
• Analyze
• Relationship Skills
• Social Awareness

Carousel Brainstorm

⏱ 20 min·Individual

Personal Enquiry Builder: From Wonder to Test

Individually, pupils list three interests, then convert one to a testable question using a worksheet template. Share in pairs for quick peer check before class discussion.

Prepare & details

Explain the characteristics of a good scientific question.

Facilitation Tip: In the Personal Enquiry Builder, give each student a planning sheet with three columns: wonder, testable question, and variables, to scaffold their thinking step-by-step.

Setup: Charts posted on walls with space for groups to stand

Materials: Large chart paper (one per prompt), Markers (different color per group), Timer

• Remember
• Understand
• Analyze
• Relationship Skills
• Social Awareness

Teaching This Topic

Teachers should model the process explicitly by thinking aloud as they reword a broad question into a testable one. Avoid rushing to the ‘right answer’; instead, allow students to struggle with wording and revise. Research suggests that repeated cycles of drafting, peer critique, and revision build stronger enquiry skills than single-step corrections.

What to Expect

By the end of the activities, students will confidently transform broad questions into specific, fair-test hypotheses with clear variables. They will also be able to justify their choices using scientific language and peer feedback.

Watch Out for These Misconceptions

Common Misconception

During Sorting Sort, watch for students assuming any question starting with ‘why’ is testable.

What to Teach Instead

Have students highlight the verb in each question and ask, ‘Can we measure the answer to this?’ If not, prompt them to reword it as a ‘how’ or ‘does’ question using the provided examples.

Common Misconception

During Question Relay Race, watch for students believing that testable questions require advanced equipment.

What to Teach Instead

Ask teams to list the materials they would use and identify which are everyday items, then discuss how fair testing depends on control, not complexity.

Common Misconception

During Gallery Critique Walk, watch for students labeling all interesting questions as scientific.

What to Teach Instead

Provide a checklist at each station that asks peers to mark whether the question can be answered with data; if not, students must suggest a rephrasing together.

Assessment Ideas

Quick Check

After Sorting Sort, collect the cards students labeled ‘testable’ and ask them to share one question aloud, identifying the independent and dependent variables for the class to verify.

Peer Assessment

After Question Relay Race, have pairs swap their refined questions and use a checklist to evaluate fairness, clarity, and variable identification, then provide one written suggestion for improvement.

Exit Ticket

During Personal Enquiry Builder, ask students to complete their planning sheet and write a short reflection on why their question is a good scientific question, using the criteria discussed in the lesson.

Extensions & Scaffolding

• Challenge: Provide an ambiguous question like ‘What makes a good toy?’ and ask students to design a full investigation plan, including controls and measurements.
• Scaffolding: For students who struggle, give a word bank of measurable verbs (e.g., grow, dissolve, reflect) to help them frame questions.
• Deeper: Invite students to research a real scientific study and identify the testable question behind it, comparing it to their own formulations.

Key Vocabulary

Testable Question	A question that can be answered through an experiment or investigation, involving measurable variables.
Hypothesis	A proposed explanation or prediction for a phenomenon, often stated as an 'if, then' statement, that can be tested.
Independent Variable	The factor that a scientist intentionally changes or manipulates in an experiment.
Dependent Variable	The factor that is measured or observed in an experiment; it may change in response to the independent variable.
Fair Test	An investigation where only one variable (the independent variable) is changed at a time, ensuring that any observed effect is due to that change.