Answer:

1. Hot gas moves upward to the star's surface, where it cools off and falls back down — though far more violently and turbulently than in your kitchen. Convection, this movement of heat rising and falling, creates waves that bounce around in the star in different ways.

2. energy-A wave is a disturbance that transfers energy from one place to another without transferring matter. Waves transfer energy away from the source, or starting place, of the

energy.

3. The energy flows through the straws, touching the top and reflecting back down, causing reflection and transmission.

Explanation:

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