Place jars on top of the straws if the straws float. Place the chilled straws on a cutting board, and using a rolling pin, gently push and squish the worms out of the straws. A colloid is when you evenly distribute bits of one substance through another. Gelatin floats water droplets in a protein. Fog floats water droplets in air.
Whipped cream floats gas in cream.
Mayonnaise floats oil in vinegar.