All Flashcards
What is a decibel (dB)?
Unit to measure sound intensity; logarithmic scale.
What is the CDC?
Centers for Disease Control; focuses on public health.
What is NIOSH?
National Institute for Occupational Safety and Health; focuses on workplace safety.
What dB level can cause hearing damage?
85 dB
What is the impact of noise pollution on children?
Decreased reading ability, hyperactivity, poor speech development, and stress.
How does noise pollution affect adults?
Increased blood pressure and difficulty concentrating.
How does noise pollution affect animal communication?
Loud noises make it hard for animals to communicate; birds sing louder, bats struggle with echolocation.
What is the impact of underwater noise on marine life?
Disrupts whale and dolphin communication, causes hearing loss, and alters migration patterns.
Why is the decibel scale important to understand?
It's logarithmic, meaning small increases represent large jumps in loudness.
Describe the impact of noise pollution on marine life.
Disrupts communication, causes hearing loss, and alters migration patterns in whales and dolphins.
What are the effects of noise pollution on wildlife?
Hearing loss, stress, communication issues, altered migration patterns.
What are the effects of long-term exposure to noise pollution?
Can lead to decreased reading ability, hyperactivity, poor speech development, and stress in children; increased blood pressure and difficulty concentrating in adults.
What is the effect of propellers and sonar on marine life?
Disrupts whale and dolphin communication, causes hearing loss, and can alter migration patterns.