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Sound

Sound. Write On Grade 3. Learner Expectation. Content Standard: 14.0 Energy The student will investigate energy and its uses. Learning Expectations: 14.2 Recognize that sound is produced when objects vibrate. In this activity you will:.

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Sound

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  1. Sound Write On Grade3

  2. Learner Expectation • Content Standard: 14.0 Energy • The student will investigate energy and its uses. • Learning Expectations: • 14.2 Recognize that sound is produced when objects vibrate.

  3. In this activity you will: • The learner will explain how sound is alike and different. • The learner will give three facts in a paragraph.

  4. What Is Sound? • When matter vibrates or moves back and forth very quickly, sound is produced. • Example: When you hit a drum, parts of the drum will vibrate creating sound.

  5. Volume is the loudness or the softness of a sound. • Example: The harder a drum is hit, the more the drum will vibrate . The more an object vibrates, the louder the sound it makes.

  6. Pitch is the highest or lowest sound an object makes. • Objects that vibrate slowly, make a low pitch. Example-drum. • Objects that vibrate quickly, make a higher pitch. Example-recorder

  7. Musical instruments make different sounds by plucking the strings. • The shorter the string, the quicker it vibrates producing a high sound. • The longer the string, the slower it vibrates producing a low sound.

  8. Writing Activity • Write a paragraph using at least three facts about sound.

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