1) A regular pattern of motion that is caused by a disturbance a) trough b) wave c) volume d) crest e) pitch f) wavelength 2) A wave that requires a material medium to travel a) pitch b) wave c) sound d) crest e) Mechanical wave f) Morse Code 3) Samuel Morse invented this a) trough b) volume c) Morse Code d) sound e) wavelength f) mechanical wave 4) The top part of a wave a) crest b) trough c) pitch d) sound e) wavelength f) volume 5) The bottom part of a wave a) crest b) trough c) pitch d) sound e) wavelength f) volume 6) The distance between two waves a) sound b) Morse Code c) volume d) crest e) trough f) wavelength 7) Anything that vibrates a) crest b) pitch c) Morse Code d) sound e) wavelength f) volume 8) How high or low a sound is a) volume b) sound c) pitch d) wavelength e) crest f) trough 9) How loud or quiet a sound is a) volume b) pitch c) sound d) wavelength e) crest f) trough 10) Waves can travel through space and matter a) true b) false 11) Two types of waves are sound and light a) true b) false 12) Waves transfer matter a) true b) false 13) A radio wave moves through matter into our eardrums a) true b) false 14) Two examples of mechanical waves are sound waves and water waves. a) true b) false 15) Only mechanical waves can travel through matter a) true b) false 16) Electromagnetic waves can travel through a vacuum. a) true b) false 17) Which color has the longest wavelength? a) yellow b) red c) black 18) What type of code uses 2 signals? a) binary b) alphabet c) blueberry 19) What means that all light can pass through? a) translucent b) transparent c) opaque 20) An example of a natural source of light is a) lamp b) firefly c) fire 21) Sounds are made from vibrating __________ molecules a) matter b) air c) ground 22) Light waves travel in _________ lines a) no b) curvy c) straight 23) What type of mechanical wave is a sound wave? a) longitudinal b) long c) geothermal

Classement

Style visuel

Options

Changer de modèle

Restauration auto-sauvegardé :  ?