Put real spiderwebs on paper. preserve a spiderweb on paper to explore/look at. or put the black paper behind it so it can be seen in detail and then take a picture so you don't have to destroy the spider's web.
■Place the cooled boiled egg on top of the glass bottle, making sure there is no way the egg fits through. Ask an adult to light two matches and drop them inside the glass jar, quickly place the egg back on top. ■Watch as the egg drops inside the jar.