Natural Science Final Exam Review Questions and Answers

Natural Science Final Exam Review




Which of the following is totally a longitudinal wave?




a) Water



b) Sound



c) Light



d) Electromagnetic



e) Laser - Answer -B) Sound



Which part of a sound wave is related to its loudness?




a) amplitude

,b) frequency



c) wavelength



d) speed



e) velocity - Answer -A) Amplitude



Bats navigate by emitting high pitched sound waves and




a) killing all the moths within 10 meters.



b) attracting various insects toward the sound.



c) listening for an echo.



d) calculating wave crests per second.



e) hoping humans do not hear them. - Answer -C) Listening for an echo



Which wave does not require matter to be transmitted?




a) ocean wave

, b) sound wave



c) X-ray



d) seismic wave



e) subsonic wave - Answer -C) X-ray



Which property of electromagnetic waves is measured in Hertz?




a) amplitude



b) speed



c) frequency



d) length



e) energy - Answer -C) Frequency



The Doppler effect describes:




a) how bats fly and locate their food.



b) change in wave frequency when source or receiver is moving.