Modeling a Sound Sandwich - Final Version Use words and pictures to explain how the sound sandwich works. Use evidence from your previous knowledge and the experiments and demos you've seen in this unit to provide your explanation. Word bank: Low pitch vibration straw Length High pitch Rubber band sound waves frequency Grading rubric: - uses all the vocab - uses all the vocab correctly identifies all essential components - explains what all components do summarizes in own words how the components work together - images used effectively to support written explanation