Pitch of Sounds

CONCEPTUAL

Science›Waves, Light & Sound|Ages 8—9|ID: mt_KTSoXcO7OL

Find patterns between the pitch of a sound and features of the object that produced it

Mastery Evidence

Describe the pattern: shorter/thinner/tighter objects produce higher-pitched sounds
Demonstrate pitch changes using at least one instrument or everyday object
Explain pitch as how high or low a sound is, determined by how fast the object vibrates

“Can [child] explain why a short guitar string makes a higher sound than a long one, or why a small drum sounds higher than a big one?”

Y4.Sci.Snd.3The national curriculum in England

Patterns between pitch and object features

find patterns between the pitch of a sound and features of the object that produced it

Science · Key Stage 2

Show full prerequisite tree

Vibrations & Sound hard
Must understand vibrations make sound before finding pitch patterns
- Light & Sound Vocabulary hard
  Understanding vibrating materials and sound requires 'vibration' vocabulary
- Communication with Light & Sound hard
  Must understand how sound works before designing a communication device using it
  - Light & Seeing in the Dark hard
    Must understand how light works before designing a communication device using it
    - Light & Sound Vocabulary hard
      Observing that objects need illumination to be seen requires the 'light source' vocabulary
Light & Sound Vocabulary hard
Finding patterns in pitch requires 'pitch' vocabulary

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