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Discovery HouseEducator Resources
Test Tube Lab · OSHC · Week 2

Bigger balloon challenge

Materials checklist

  • As above
  • String
  • Rulers
  • Results sheet

Step by step

  1. Choose one variable to change.
  2. Test three times.
  3. Measure with string.
  4. Share results.

Look for & extend

  • • Notice fair-test reasoning — extend with a class science report.
Discovery HouseEducator Resources
Test Tube Lab · OSHC · Week 2

Cut out along the dashed lines and laminate.

Bigger balloon challenge

Where did the gas go?

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Bigger balloon challenge

Why did the balloon blow up?

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Bigger balloon challenge

How could we make it bigger?

Discovery House
Bigger balloon challenge

Notice fair-test reasoning — extend with a class science report.

Discovery House
Discovery HouseEducator Resources
Test Tube Lab · OSHC · Week 2

Observation record — Bigger balloon challenge

Child / group:
Date:
Educator:

What I saw and heard (child's voice)

Learning I noticed (outcomes)

Where to next / how I'll extend

Outcomes this week: 4.2 · 4.3 · QA1 · QA2