Build a "Waterdrop Microscope"!

A drop of pond or lake water becomes a spherical lens when suspended from a syringe. Shine a green laser through the center of the water drop and bring to life the tiny world inside!

Grade Range: 6-12

Duration: 1/2 Hour – 1 Hour


  • Green Laser
  • Syringe
  • Stand
  • Screen
  • Pond (or lake) water

NGSS Connections

PS4.B: Electromagnetic Radiation
  • Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.
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