PDF of Jacaranda Science Quest 10 for Victoria Australian Curriculum 1E Revised LearnON Print supply a USB or other storage device and I will load the.. . Get instant access to our step-by-step Science Quest 10 Australian Curriculum Science Quest 10 Australian Curriculum Victorian Edition & Ebookplus PDF. SCIENCE QUEST AUSTRALIAN CURRICULUM EDITION Graeme Lofts and Merrin J. Evergreen. Australian Curriculum implementation made simple.
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Just post a question you need help with, and one of our experts will provide a custom solution. Price Minimum Price. Hanamant Hunashikatti. Monash Area Glen Waverley. As sound travels through a medium, some of its energy is absorbed by the particles in the medium and is not transmitted to neighbouring particles.
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As sound travels through a medium, some of its energy is absorbed by the particles in the medium and is not transmitted to neighbouring particles. Sound travels more efficiently through materials that are elastic; that is, materials in which the particles tend to come back to their original positions without losing much energy.
In liquids and solids, the speed is much greater because the particles are more closely bound together. The speed of sound in air is greater at higher temperatures. The speed of sound in air is lower at higher altitudes.
High-frequency sound is transmitted from the ship. By measuring the time taken for the echo to return to the ship, and using the speed of sound in water, the distance to the floor of the ocean or to the underwater object can be calculated.
Sonar is just one example of echolocation.
Whales, dolphins, porpoises and bats use echolocation to sense their surroundings. They each send out high-frequency sounds. Ultrasound has many applications. Here, ultrasound is being used to produce an image of the face of a full-term baby in the womb. Hear an echo? A knowledge of the speed of sound is used in sonar. Sonar SOund Navigation and Ranging is used on ships to map the ocean floor, detect schools of fish, and locate other underwater objects such as shipwrecks and.
Although called by a different name, echolocation is also used by engineers to locate cracks in metals; and it is used extensively in medicine. The high-frequency sound used in industry and in medicine is called ultrasound. Ultrasound has frequencies higher than humans can hear. Echolocation with ultrasound. How would that affect what you heard if you were in the back row of a stadium listening to a band?
Have your partner slowly slide the watch along the ruler to a point where you can no longer hear the ticking. Explain how you would still be able to communicate with your partner. Using data The following questions refer to the data given in the table on the previous page.
Listen to the sound made.