Prompt

The balloons rise gently as the camera follows them upward. The scientist catches a balloon string and points to the material-property clues. Dialogue — Scientist: “Which gas is suitable for filling balloons because it is less dense than air and non-flammable?” BOOM reveal: “Helium! Its low density helps balloons rise, and it is non-flammable.”

Result

Grok Imagine Video 1.5 Preview

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