grade 8 - sounds

anything that emits or causes sound

• sound

• source

• light

• medium

where sound waves can be transferred

• medium

• source

• frequency

• detector

•third element that the sound waves can reach.

• receiver

• source

• frequency

• observer

constant proportionally value that depends on the material

• modulus

• bulk modulus

• elastic modulus

• frequency

it depends on the shape of the material

• bulk modulus

• elastic modulus

• modulus

• frequency

sound travels fastest through ____, followed by______, and the slowest is ______.

• liquid, gas, solid

• solid, liquid, gas

• gas, solid, liquid

• solid, gas, waves

gives the compactness of the particles as they occupy space in the structure of the substance

• elasticity

• solid

• density

• temperature

allows sound to travel quickly because particles can easily compress and expand

• elasticity

• density

• solid

• temperature

Austrian physicist,who studied about phenomenon in 1842

• Christian Doppler

• Anne Curie

• Albert Einstein

• Isaac Newton

a disturbance that needs to travel into something

• light

• sounds

• source

• medium