Knowledge world

Knowledge world is a library of articles, project ideas, interesting videos and interviews of all the five K-12 stakeholders , activities for Students, activities for Teachers and Parents to use with children and Project Ideas that Students can use for their project work. Use search or filters to find your desired knowledge resource.

Articles Videos Interviews Hands-On Activities Fun Activities Project Ideas

Illuminate dark water


It is a fun-filled science project. You need a few ingredients for this project.


  • Yellow Highlighter (Make sure that it glows in the dark)
  • One Knife
  • One glass
  • Tonic water or soda water


  • Cut out the end of the highlighter using the knife.
  • Thereafter, take out the marker’s ink felt carefully.
  • Fill the glass half full with water/soda water and put the felt inside it.
  • Remove the felt after 12-24 hours.
  • Place the glass in a dark room and switch on the black light.
  • Now check the water.

Image Credit:

Next Education