Activity 1B Decay Classify the materials on how they absorb water, float, sink and undergo decay. For your answers, use the following symbols: Absorb Sink Float Note: Write your answers in your Science notebook. 1. cellophane 2. onion 3. plastic tumbler with cap 4. pants 5. cotton towel 6. baby diaper 7. soft drink bottle 8. rubber slippers 9. plastic saucer 10. ripe avocado​