sounds wave year 7

Waves move by causing a ____________ in particles

• disturbance

• energy

• vibration

• mechanical

_____________________ is transferred by waves from one place to another.

• vibration

• energy

• disturbance

• mechanical

Which of these is NOT a medium?

• light

• air

• wood

• metal

The pitch of a sound is directly related to the sound's _______.

• amplitude

• loudness

• frequency

• intensity

Waves move energy ________ their source.

• through

• away from

• next to

• toward

The loudness of a sound is directly related to the wave's _____.

• wavelength

• frequecy

• rest position

• amplitude

When a wave has less energy the sound will be _________.

• quieter

• silent

• louder

• higher

The unit Hertz is used to measure the waves _______.

• frequency

• wavelength

• loudness

• amplitude

Headphones change a(an) ______ signal into a(an) ____ wave.

• sound/heat

• electrical/sound

• sound/electrical

Waves will transfer fastest through _______.

• liquid

• gas

• solid

• all of the above