Sound (Grade 10 NSC Matric Physical Sciences): Flashcards
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Practise the cards
10 cards from this deck
Type of wave that sound waves are
Type of wave that sound waves are
Longitudinal waves
Two components of sound waves
Two components of sound waves
Compressions and rarefactions
Compressions in sound waves
Compressions in sound waves
High pressure areas where air particles are squeezed together
Rarefactions in sound waves
Rarefactions in sound waves
Low pressure areas where air particles are spread apart
Sound waves' requirement to travel
Sound waves' requirement to travel
Must have a medium (cannot travel through vacuum)
Speed of sound: solids vs liquids vs gases
Speed of sound: solids vs liquids vs gases
Fastest in solids, medium in liquids, slowest in gases
Why sound travels faster in denser materials
Why sound travels faster in denser materials
Particles are closer together
Examples of media sound travels through
Examples of media sound travels through
Air, liquids (water), solids (metal, wood)
How tuning fork creates sound waves
How tuning fork creates sound waves
Vibrating prongs push air particles, creating compressions
Tin can telephone: Why string must be tight
Tin can telephone: Why string must be tight
For sound wave to travel through it effectively