Curriculum Science Unit Sol 5.2 Powerpoint
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Curriculum Science Unit Sol 5.2 Powerpoint

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Curriculum Science Unit Sol 5.2 Powerpoint Presentation Transcript

  • 1. Investigating sound
  • 2. Sound
    Form of energy that travels through matter as waves
    Wave
    Disturbance that transfers energy from point to point
  • 3. Frequency
    The number of waves produced in a unit of time
    Pitch
    The highness or lowness of a sound
    Amplitude
    Measure of the amount of energy in a sound wave
  • 4. Vibration
    The back & forth movement of matter where energy is transferred
  • 5. VACUUM (SPACE)
    NO MATTER
    SOUND CANNOT TRAVEL
  • 6. Transmit
    Sound
    Fastest
    MOLECULES
    OF MATTER
    CLOSER
    TOGETHER
    SOLID
    Transmit
    Sound
    Slowest
    MOLECULES
    OF MATTER
    FARTHER
    APART
    GASES
  • 7. MOST OF
    SOUND
    ABSORBED
    SOFT
    OBJECT
    SOUND WAVES
  • 8. FREQUENCY
    PITCH
    FREQUENCY
    PITCH
  • 9. LOUDER
    SOUND
    AMPLITUDE
    SOFTER
    SOUND
    AMPLITUDE
  • 10. STRAW ACTIVITY
    • Place pointed end in mouth past cut portion
    • 11. Blow air through straw
    • 12. Trim straw to make it shorter
    • 13. What happened to the pitch?
  • SOUND
    STATIONS
    ACTIVITY
  • 14. How do we hear sound?
  • 15. Why do humans & animals
    hear & make noise differently?
    • Animal brains are not as complex as those of humans
    • 16. Some species do not have vocal cords.
    • 17. The vocal tracts of animals may differ in shape and size, so vocalizations sound different
  • SONAR
    • SOUND NAVIGATION
    • 18. USES SOUND WAVES TO DETECT OBJECTS FAR AWAY
    ECHOLOCATION
    • FORM OF SONAR
    • 19. USED BY MARINE MAMMALS TO OBTAIN INFORMATION ABOUT SURROUNDINGS AND TO FIND FOOD
  • MUSICAL INSTRUMENTS
    Produce sound by vibrating strings
    String
    Instruments
    A vibrating reed helps to make the sound
    Woodwind
    Instruments
  • 20. MUSICAL INSTRUMENTS
    Vibrating air makes the sound
    Brass
    Instruments
    Produce sound by being hit or shaken
    Percussion
    Instruments
  • 21. MUSICAL INSTRUMENTS
    Strings of different lengths hit by small hammers to produce sound
    Piano and Other
    Instruments
    Vibration of vocal chords makes sound
    Voice
  • 22. MAKE YOUR OWN
    MUSICAL INSTRUMENT