- Can a sperm whale kill you with sound?
- What causes sound?
- Can light travel in a vacuum?
- What frequency can kill you?
- How do we hear sound?
- What are the 3 main causes of noise pollution?
- Does sound travel in vacuum?
- Can sound kill you?
- What are three ways you can make sound?
- Why can’t astronauts hear each other in space?
- Can sound kill bacteria?
- How does your voice make sound?
- What makes sound higher or lower?
- What are some uses for sound?
- What can sound not travel through?
- Can you feel sound?
- Are sound waves harmful?
Can a sperm whale kill you with sound?
Sperm whales are the loudest mammals on the planet, with vocalizations reaching an astonishing 230 decibels.
At around 150 decibels your eardrums will burst, and the threshold for death is estimated to be in the range of 180 to 200..
What causes sound?
Sound is caused by the simple but rapid mechanical vibrations of various elastic bodies. These when moved or struck so as to vibrate, communicate the same kind of vibrations to the auditory nerve of the ear, and are then appreciated by the mind.
Can light travel in a vacuum?
Light travels in waves, and, like sound, can be slowed depending on what it is traveling through. Nothing can outpace light in a vacuum. However, if a region contains any matter, even dust, light can bend when it comes in contact with the particles, which results in a decrease in speed.
What frequency can kill you?
The most dangerous frequency is at the median alpha-rhythm frequencies of the brain: 7 hz. This is also the resonant frequency of the body’s organs.
How do we hear sound?
Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes.
What are the 3 main causes of noise pollution?
Noise pollution can come from a variety of sources, but three of the most damaging sources come from: Industrial Machinery….How Noise Pollution Effects Human HealthNervous Disorders.Increased Blood Pressure.Thickening of The Blood.Neurological Problems.Leads to hypertension and other cardiovascular problems.
Does sound travel in vacuum?
Sound waves are travelling vibrations of particles in media such as air, water or metal. So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate.
Can sound kill you?
The general consensus is that a loud enough sound could cause an air embolism in your lungs, which then travels to your heart and kills you. Alternatively, your lungs might simply burst from the increased air pressure. … High-intensity ultrasonic sound (generally anything above 20KHz) can cause physical damage.
What are three ways you can make sound?
VOLUMESound: It is a form of energy produced by vibrating bodies.Pitch: It tells how high or low sound is.High Pitch: Sounds made by fast vibrations.Low pitch: Sounds made by slow vibrations.Volume: It tells how soft or loud a sound is.Vibration: Back and forth movement.
Why can’t astronauts hear each other in space?
No, you cannot hear any sounds in near-empty regions of space. Sound travels through the vibration of atoms and molecules in a medium (such as air or water). In space, where there is no air, sound has no way to travel.
Can sound kill bacteria?
Newsletter. High-frequency sound can kill microscopic pathogens, but the sound waves normally need to travel through a contact medium such as water or gel, limiting the use of ultrasound as a germicide.
How does your voice make sound?
The vocal folds produce sound when they come together and then vibrate as air passes through them during exhalation of air from the lungs. This vibration produces the sound wave for your voice. … The rate of vibration determines the pitch of the voice.
What makes sound higher or lower?
Volume is dependent on how hard the air is being pushed. Sound travels more slowly than light. Sound waves travel at the same speed but vibrate in different ways. Some vibrate quickly and have a high frequency or pitch, while others vibrate slowly and give a lower pitch.
What are some uses for sound?
Uses of sound is to communicate. This communication can be between two or more humans, or any other living beings. The communication between two machines (ultra sound etc). Communication between machine and human (text to speech, musical instruments and human ears etc.)
What can sound not travel through?
We know light can travel through a vacuum because sunlight has to race through the vacuum of space to reach us on Earth. Sound, however, cannot travel through a vacuum: it always has to have something to travel through (known as a medium), such as air, water, glass, or metal.
Can you feel sound?
Well, sound is vibration, and vibration is tactile. You can feel sound by touch. … You can feel the sound vibrations through your clothing or against your skin. Most people pay no attention to the feeling of sound, at least as it relates to speech.
Are sound waves harmful?
Loud noise is particularly harmful to the inner ear (cochlea). A one-time exposure to extreme loud sound or listening to loud sounds for a long time can cause hearing loss. Loud noise can damage cells and membranes in the cochlea. … Harmful effects might continue even after noise exposure has stopped.