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Sound
 
Demonstration Activities
 
Changing Sounds tests performed with a guitar drum and a bottle notice changes in pitch of the sound
Diffraction a simple diagram showing why you can hear but not see round corners
Diffraction animation showing how sound waves shorten depending upon gap travelling through
Sound Wave drag slider to change frequency of sound waves change visually and hear at same time
Echoes a simple animation showing how echoes occur
Echoes a simple diagram showing uses of echoes
How a Loudspeaker Works a short video clip showing the vibration of 'sound'
How do we hear? a series of animated slides explaining how we hear high and low sounds
How Sound Reaches You explaining how sound travels through air water and wood but not a vacuum
Loudness Module explanation of loudness quietness and amplitude
Lightening Strike an activity which shows the delay between lightning and the sound of thunder
Pitch Module explanation of pitch frequency and amplitude
Refraction a simple animation showing why sound is louder at night
Sound as Information a number of examples of how we use sound to communicate information
Sound Wave a simple animation showing how sound travels through air
Sound Wave Ripple Effect an animation showing ripple effect of sound travelling outwards from a source
Sound Wave Ripple Effect an animation showing ripple effect of sound travelling outwards from a source
Sources of Sound Module explanation of how we hear sound
Types of Sound a simple activity showing how sounds are made when objects vibrate
The Bat Sound the first part shows how bats use sound to 'see'
Virtual Sound Sequencer a site more suited for music but may have some 'sound' use here
3 sets of slides on 'Sources of Sound' each considers how these aspects of sound are used in the world
3 sets of slides on 'Loudness' 'Pitch' each considers how these aspects of sound are used in the world
 
Practice Activities
 
Fun Farm Sounds an activity about listening than sound click on an animal to hear it's sound
Get an Earful an activity of matching sounds with objects jobs and sports
Explaining why bottles filled with different amounts of liquid give off different sounds when struck
Identifying Sounds an activity where learners match the correct label to each of the sounds
In the House an activity of identifying house rooms with sounds and sights
Soft and Loud Noises an activity where learners choose sound description goes with which picture
Sorting Instrument Sounds sort instruments into the four sections of blow pluck bang and shake
The Bat Sound the second activity involves moving a bat around the screen to avoid the cave walls
 
Extension Activities
 
Changing Sounds sorting instruments into categories
How far is it away? activity one deals with the distance between a lightening flash and thunder in air
How far is it away? activity two dealing with distance between submarine sonar and sea floor in water
Loudness Module explanation of loudness quietness and amplitude
Light Designer an activity linking sound and light as learners 'mix' light and sound together as a DJ
Ocean Odyssey learners complete a series of tasks so that Mel the Mermaid can get her voice back
Pitch Module learners have to complete a series of tasks as they understand the science
Recording Studio for more able who want to understand the science behind recording sound waves
Sources of Sound Module learners have to complete a series of tasks as they understand the science
Sound and Hearing learners have to sort instruments into categories
 
Testing Activities
 
Changing Sounds Quiz a series of questions which tests your understanding of the science
Loudness Questions a series of questions which tests your understanding of the science
Pitch Questions a series of questions which tests your understanding of the science
Sound Quiz a 10 question test marked online covering sound pitch and loudness
Sources of Sound Questions a series of questions which tests your understanding of the science