Here they are:

  1. Light Entertainment I: About refraction but the simplest of the four.
  2. Light Entertainment II: About refraction but considerably more challenging than I.
  3. Light Entertainment III: About refraction but a little different from the above two.
  4. Light Entertainment IV: About refraction but the most challenging of the four.
  5. Hot Day: About energy and energy transfers.
  6. Accident in Space: About Newton’s Laws of Motion.
  7. Propelling the Boat: About Newton’s Laws of Motion




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