1 Complete the sentences about the pitch of the notes Sofia plays. Use the words in the box. lower higher slower faster low vibrations high longer shorter When Sofia covers fewer air holes with her fingers, it makes the column of air in the recorder This makes the air vibrate and gives the sound a pitch. When Sofia covers more holes with her fingers, it makes the column of air in the recorder become This makes the air vibrate The speed of the air and gives the sound a or pitch. changes the pitch. The pitch can be

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