2. Methods

  1. Fill the container with water 2cm form the brim 
  2. Seal the capsules of any holes and make sure when submerged, is water proof.
  3. Ready the cameras for recording.
  4. Put 10g of Gravel inside the capsule
  5. Start recording with the cameras
  6. Gently release the capsule where it is just touching the water
  7. Stop recording
  8. Record Timing by taking timing from Camera
  9. Take 2 more readings by repeating steps 3 to 9 twice
  10. Repeat steps 3 to 9 with 2g more gravel 30 times.

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