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Physics2a  experiments- Waves:  Detailed lab experiments on light & sound waves for middle school
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Physics2a experiments- Waves: Detailed lab experiments on light & sound waves for middle school

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Detailed lab experiments on light & sound waves for middle school

Detailed lab experiments on light & sound waves for middle school

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  • 1. PHYSICS 2a WAVE Experiments
  • 2.
    • Procedure:
    • Define the vocabulary found under Experiment 1.
    • Tie a string on several loops of the Slinky to aid in visualizing the moving wave
    • Create a wave by quickly pushing & pulling the slinky (a). Watch the wave move to the end of the slinky before creating a new one. Answer the first question under this Experiment in the Physics Journal.
    • Create another type of wave by moving hand up & down (b). Answer the second question in the Physics Journal.
    • 3. Change the waves: By vibrating your hand steadily back and forth, you can produce a train of pulses, or a periodic wave. Try to create and draw the following waves with the characteristics described:
    • • High Amplitude-short Wavelength
    • • Low Amplitude-short Wavelength
    • • High Amplitude-long Wavelength
    • • Low Amplitude- long Wavelength
    • Record observations in the Physics Journal.
    • Answer Questions & write up the Conclusion in the Physics Journal.
    WAVE Experiment 1: SLINKY WAVE Materials : Physics 2 packet, Science notebook, pencil Slinky
  • 3.
    • Procedure:
    • Define the vocabulary found under Experiment 2.
    • Tie the end of the rope to the doorknob.
    • Shake the rope slowly to simulate the transfer of a wave.
    • Shake the rope more quickly. How do the waves differ?
    • Record observations in the Physics Journal.
    • Answer Questions & write up the Conclusion in the Physics Journal.
    WAVE Experiment 2: ROPE WAVE Materials : Physics 2 packet, Science notebook, pencil rope, doorknob
  • 4.
    • Procedure:
    • Define the vocabulary found under Experiment 3.
    • Setup : Fill bucket with water.
    • TASK 1: Drop one rock into the bucket. Watch the ripples. Sketch TASK 1 ripples in Physics Journal.
    • TASK 2: Drop one rock into the bucket. Then immediately drop a second one in a slightly different spot. Watch how the ripples interact. Sketch TASK 2 ripples in Journal.
    • TASK 3: Drop one rock into the bucket. Then immediately follow with two more dropped rocks in different spots. Watch how the ripples interact. Sketch TASK 3 ripples in the Journal.
    WAVE Experiment 3: Rock’n Waves Materials : Physics 2 packet, Science notebook, pencil 3 small rocks, water-filled bucket
  • 5.
    • Procedure:
    • Define the vocabulary found under Experiment 4.
    • Tap the secured balloon which is over the bottom of the Tennis Ball Container. What do you hear?
    • Feel the bottom of the container. It has a small hole in it. How does this hole feel when you tap the balloon?
    • Tap the balloon with the container in front of a suspended ping-pong ball. What happens to the ping-pong ball?
    • Record observations in the Physics Journal.
    • Answer Questions & write up the Conclusion in the Physics Journal.
    WAVE Experiment 4: Air Push Materials : Physics 2 packet, Science notebook, pencil prepared Tennis Ball container (hole in bottom, covered with balloon.)
  • 6.
    • Procedure:
    • Touch your hand to your throat and read the Beethoven Trivia sheet out loud. (Take turns questioning & answering.) FEEL the vibrations on your hand as it is your turn to speak… Beethoven had to use such vibrations later in life to complete his masterpieces!
    • Read the Beethoven Worksheets.
    • Complete the Beethoven Worksheet.
    • Answer Questions & write up the Conclusion in the Physics Journal.
    WAVE Experiment 5: Beethoven Materials : Physics 2 packet, Science notebook, pencil Beethoven Reading material & WS
  • 7.  
  • 8.
    • RULES: To strike a tuning fork
    • 1. ALWAYS strike gently with a RUBBER mallet.
    • 2. NEVER strike against glass or your eyes.
    • Define the vocabulary found under Experiment 6.
    • TASK 1:
    • Gently tap the tuning fork with the rubber mallet. Listen for the sound. Hold the vibrating tuning fork over the water. What happens? Touch it to the water. What happens? Answer the TASK 1 Questions & sketch the waves.
    • TASK 2:
    • Gently tap the tuning fork with the rubber mallet. Listen for the sound. Hold the vibrating tuning fork beside the suspended ping-pong ball. What happens? Answer the TASK 2 Questions & sketch the waves.
    WAVE Experiment 6: Materials : Physics 2 packet, Science notebook, pencil tuning fork, rubber mallet, tub of water, suspended ping-pong ball
  • 9.
    • Procedure:
    • Complete the WAVE Worksheets in your Physics Journal.
    WAVE Experiment 7: Physics Journal Materials : Physics 2 packet, Science notebook, pencil PHYSICS JOURNAL