Students learn to categorize sounds as SAFE or DANGEROUS and associate the safe listening timePre-select flashcards that are relevant to the target audience.85 dBA is very important number and can be listened to safely for 8 hours.The higher the decibel level the shorter the time for safe listening.Students learn to identify which method of hearing protection is best practice when exposed to dangerous decibels from these different sources.Pre-select flashcards to represent each of the categories of sound level and method of protection.