1) What is the approximate upper range of human hearing? a) 2000 Hz b) 10,000 Hz c) 20,000 Hz d) 100,000 Hz e) 200,000 Hz 2) What is the approximate lowest sound that human can hear? a) 1Hz b) 2Hz c) 10Hz d) 20Hz 3) Dolphins and Whales use this to communicate/navigate a) Infrasound b) Sound c) Ultrasound 4) This technology is used to scan pregnant women and check the health of unborn babies. a) MRI b) Radiotherapy c) Infrasound d) Ultrasound 5) This is used by elephants to communicate over large distances. a) Sound b) Ultrasound c) Infrasound 6) The height of a wave, from peak to troph, is called the... a) Wavelength b) Amplitude c) Frequency d) Horcrux 7) This word is defined as "the number of oscillations per second". a) Frequency b) Wavelength c) Amplitude 8) What is X? X = Distance/Time a) Speed b) Frequency c) Wavelength 9) A sound wave is a ..... wave a) Transverse b) Longditudinal 10) An electromagnetic wave is a ... wave. a) Transverse b) Longditudinal

ultra and infra sound wordwall

by Anonymous
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?