Loud and Quiet
Even the youngest scientists can read about and explore basic scientific concepts. Each title pairs a set of opposites, such as hot and cold or loud and quiet, as a familiar framework for presenting scientific concepts. Full-color photographs and illustrations accompany hands-on science activities. "Facts About" boxes highlight amusing, amazing, and informative facts.
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Ask an adult balloon vibrate Big drum blow bounce bowl called cassette recorder clap your hands diaphragm ear protectors eardrum echo fastest cars feel your throat finger fireworks gently hard object hard of hearing hear loud sounds hear sounds hear the sound heard hearing aid hi-fi or portable high note high-pitched sound higher or lower Krakatoa large ears Listen carefully long pipe lots Loud and Quiet loudspeaker low note Low Sounds low-pitched sound microphone Inside neck noise noisy object that vibrates Paper cone pencil pitched sound plastic bottle plastic food wrap pluck portable cassette player quickly quiet sounds quiet things radio record sound rubber band short pipe shorter sing a high skin sock sound hits sound louder Sound travels sound waves spoon stethoscope string inside trombone try this Sound tube types of animal uncooked rice grains vibrations travel vocal cords stretch Water waves whistle