Homemade Particle Detector

4 mins
Serves 1
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Directions

  1. 1Put a sponge inside a cup.
  2. 2Put a sponge inside a cup.
  3. 3Put a sponge inside a cup.
  4. 4Soak the sponge with 99% isopropyl alcohol.
  5. 5Soak the sponge with 99% isopropyl alcohol.
  6. 6Soak the sponge with 99% isopropyl alcohol.
  7. 7Place a piece of black paper on the bottom.
  8. 8Place a piece of black paper on the bottom.
  9. 9Place a piece of black paper on the bottom.
  10. 10Seal the cup's edges with sticky tack.
  11. 11Seal the cup's edges with sticky tack.
  12. 12Seal the cup's edges with sticky tack.
  13. 13Set the cup on dry ice.
  14. 14Set the cup on dry ice.
  15. 15Set the cup on dry ice.
  16. 16Shine a flashlight inside the cup to see the particle paths.
  17. 17Shine a flashlight inside the cup to see the particle paths.
  18. 18Shine a flashlight inside the cup to see the particle paths.

Ingredients

  • 99 percent rubbing alcohol
  • 99 percent rubbing alcohol
  • 99 percent rubbing alcohol
  • 1 aluminum foil
  • 1 aluminum foil
  • 1 aluminum foil
  • 1 black paper
  • 1 black paper
  • 1 black paper
  • 1 sponge
  • 1 sponge
  • 1 sponge
  • 1 dry ice
  • 1 dry ice
  • 1 dry ice

Equipment

cupspongealuminum foilblack papersticky tackflashlightdry ice