Last Thursday, (October the 24th), my teacher showed us a sound presentation, whale songs, and more whale songs. But mostly whale songs. Down below are the notes I took on the sound presentation.
What are waves?
There are two different kinds of sound waves. There are sheer waves (S) and pressure waves (P). The sheer waves are energy waves, they travel slower. They are the second wave in earthquakes. Pressure waves are sound waves, they travel faster, they are the first waves in earthquakes. Down below are pictures of what the s-waves and the p-waves look like.
There are two different kinds of sound waves. There are sheer waves (S) and pressure waves (P). The sheer waves are energy waves, they travel slower. They are the second wave in earthquakes. Pressure waves are sound waves, they travel faster, they are the first waves in earthquakes. Down below are pictures of what the s-waves and the p-waves look like.
What is required for sound to travel?
It needs a medium to travel. > Matter is needed to travel through.
Through which does sound travel faster - material with high compressibility or low compressibility?
The kind of material that has low compressility makes sound travel faster because it has a higher density than does the material with high compressibility. High compressibility has a low density. Sound travels through the material with the most highest density.
Which direction do sound waves travel?
They travel in whichever way has directed them to travel in. For example, I am talking to you, but you cannot hear me. Why is that? It is probably because I am facing another object while talking to you. If I were to face you while talking, you'd hear me more clearly. That is correct, yes? Do you understand clearly now? :D
Where does sound travel in? Air or water?
Sound travels in the water because the water molecules are closer together than is air. C:
It needs a medium to travel. > Matter is needed to travel through.
Through which does sound travel faster - material with high compressibility or low compressibility?
The kind of material that has low compressility makes sound travel faster because it has a higher density than does the material with high compressibility. High compressibility has a low density. Sound travels through the material with the most highest density.
Which direction do sound waves travel?
They travel in whichever way has directed them to travel in. For example, I am talking to you, but you cannot hear me. Why is that? It is probably because I am facing another object while talking to you. If I were to face you while talking, you'd hear me more clearly. That is correct, yes? Do you understand clearly now? :D
Where does sound travel in? Air or water?
Sound travels in the water because the water molecules are closer together than is air. C:
Explain the SOFAR channel.
The SOFAR channel is the area that is not the surface of the ocean, nor the bottom of the ocean. It is the area between the two. We had learned that some people of war used the SOFAR channel to hide their submarines, this was sometimes called the Shadow Zone, because it deflected several types of sound waves. For example; My friend, Sabrina, and I are at war. (SHUSH. This was the first thing that came to my mind - stop hating!!) She is the ship on top of the water, and she's searching for me. I am in the submarine that is hiding in the Shadow Zone. Her ship is sending out sound waves, these sound waves travel through the ocean. She is doing that because sound waves can detect objects in the ocean. But since my submarine is in the Shadow Zone, her sound wave technology cannot detect me. *snickers* Hi Sabrina. |
Explain how marine organisms may use sound in the ocean (Voices in the Sea).
The marine animals can use sound to communicate with each other and to locate their prey and predators. A substitute we had today (October 28) explained to us that many marine organisms did not have vocal cords. They communicate, or make noise, by using the muscles i/on their blowhole to squeeze and un-squeeze to make their noises. This kind of communication is also known as "echolocation".
Please click here to be redirected to new link: Voices in the Sea
Explain how people use sound (sonar) in the ocean (military, exploration).
There are many ocean explorers out there that use sound wave technology to explore and discover more animals, or places in the deep blue sea. And to do that, they collect and analyze data taken from the information their technology collected. Sonar is also used by the military for war and governmental purposes. Many branches of the military use it to find info about their enemies and some use it for what the government needs. (Or whatnot.)
Watch a video and explain how SONAR is used to map the ocean floor.
SONAR maps the ocean floor by using the help of telepresence and satellites.
The marine animals can use sound to communicate with each other and to locate their prey and predators. A substitute we had today (October 28) explained to us that many marine organisms did not have vocal cords. They communicate, or make noise, by using the muscles i/on their blowhole to squeeze and un-squeeze to make their noises. This kind of communication is also known as "echolocation".
Please click here to be redirected to new link: Voices in the Sea
Explain how people use sound (sonar) in the ocean (military, exploration).
There are many ocean explorers out there that use sound wave technology to explore and discover more animals, or places in the deep blue sea. And to do that, they collect and analyze data taken from the information their technology collected. Sonar is also used by the military for war and governmental purposes. Many branches of the military use it to find info about their enemies and some use it for what the government needs. (Or whatnot.)
Watch a video and explain how SONAR is used to map the ocean floor.
SONAR maps the ocean floor by using the help of telepresence and satellites.