1) Which is FALSE about sound? a) Sound is characterized by loudness and pitch b) Sound is made through vibrations c) Sound cannot move objects d) Molecules helps sound to travel 2) Sound travels in the forms of waves through ______________________________. a) solid and air only b) air only c) air, solid and liquid d) None of the above. 3) Humans and animals can hear sounds through our ______________. a) mouth b) ears c) nose d) hair 4) Without vibrations there can still be sound around us. a) True b) False 5) Which of the following is a characteristic of sound? a) Quality b) Ears c) Singing d) Radio 6) Which characteristic of sound has low pitch and high pitch? a) Pitch b) Quality c) Loudness d) Radio 7) Which characteristic of sound has soft sound and loud sound? a) Pitch b) Quality c) Loudness d) Radio 8) Which characteristic of sound has musical sound and noise? a) Pitch b) Quality c) Loudness d) Radio 9) Identify the loudness of the sound a) Loud sound b) Soft sound 10) Identify the pitch of the sound a) low pitch b) high pitch 11) Which of the following is the loudest sound? a) b) c) 12) Which of the following has the lowest pitch? a) b) c) 13) Which of the following has the highest pitch? a) b) c) 14) Which of the following has the softest sound? a) b) c) 15) Which of the following has the loudest sound? a) b) c) 16) The picture is showing us what kind of pitch and loudness? a) low pitch, soft sound b) low pitch, loud sound c) high pitch, soft sound d) high pitch, loud sound 17) The picture is showing us what kind of pitch and loudness? a) low pitch, soft sound b) low pitch, loud sound c) high pitch, soft sound d) high pitch, loud sound 18) Which quality of sound is good to hear? a) loudness b) noise c) pitch d) musical sound 19) which quality of sound has irregular vibrations? a) musical sound b) noise 20) What can happen if there is too much noise around us? a) We cannot sleep well b) We can study very well c) We can hear people very well d) None of the above.

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