Any additional set-up for your specific venue and audience. Use a fork or gloved hand to pull out the worm and it place on a paper towel. Use the side of the fork to cut open the worm. Dip the cut end ...

Can they guess how a worm moves? Can they see the hairs on the ... the lid on - with a couple of holes in the top - place black paper around the jar and put it into a cool, dark cupboard.