مهدآموز | آموزش | درسنامه | ارزشیابی | کاربرگ — دبستان متوسطه مدرسه کودک — زبان انگلیسی کودک
توضیحات
Where do sounds come from? What do they look like? How do they work? Find out in this science worksheet that answers the question: What is sound? As students in fifth grade explore physical science, they will enjoy reading about the particle vibrations and sound waves that are behind different noises and pieces of music.
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