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Third Grade (Grade 3) Waves and Sound Questions

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Grade 3 Waves and Sound
If you roll a large sheet of paper into a funnel, you can hear the sound better (think of a megaphone). This process of increasing the loudness of sound is called
  1. measuring a wave.
  2. absorption.
  3. reflection.
  4. amplification.
Grade 3 Waves and Sound
        Pitch        refers to how high or low a sound is.
Grade 3 Waves and Sound
The loudness of a sound is called
  1. the sound wave.
  2. the volume.
  3. the amplitude.
  4. the pitch.
Grade 3 Waves and Sound
When you make sounds by plucking a rubber band, you make the rubber band move back and forth very quickly. This movement is called
  1. loudness.
  2. amplitude.
  3. pitch.
  4. vibration.
Grade 3 Waves and Sound
The highness or lowness of a sound is called the
  1. pitch.
  2. loudness.
  3. vibration.
  4. resonance.
Grade 3 Waves and Sound
Which of the following sound sources would produce the LOUDEST SOUND?
  1. jet plane
  2. pin falling
  3. doorbell
  4. whisper
Grade 3 Waves and Sound
Which of the following sound sources would produce the HIGHEST PITCH?
  1. phone
  2. whistle
  3. truck horn
  4. growling dog
Grade 3 Waves and Sound
The same sound will seem louder if it travels through which of the following?
  1. solid materials, such as steel
  2. liquids, such as water
  3. gases, such as air
  4. solids, liquids, and gases will all sound the same
Grade 3 Waves and Sound
          Vibrate           means to move quickly back and forth.
Grade 3 Waves and Sound
Our        ears        are our sound receivers.
Grade 3 Waves and Sound
Being able to tell different sounds apart is called
  1. sound amplification.
  2. sound discrimination.
  3. vibration.
  4. frequency.
Grade 3 Waves and Sound
List one thing that has sound energy. Explain how you know it has this energy.
Grade 3 Waves and Sound
List one thing that has light energy. Explain how you know it has this energy.
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