Misconceptions in Primary Science By Allen, Michael “Sound” Publisher: Open University Press Pp. 174- 175 2010 Type: Anecdotal Data collection method: Unknown Number of subjects, range: Unknown Grade and age of subjects: PreK-2nd — under 7-8 years of age, 3rd-5th grade — under 10-11 years For a sound to be heard the listener has to…Continue Reading Sound