As of the 2000 United States Census, there were 12,384 people, 5,330 households, and 3,187 families residing in the city. The population density was 1,428.9 people per square mile (551.5/kmÂ²). There were 5,660 housing units at an average density of 653.0 per square mile (252.1/kmÂ²).
Creation of the Shooters, and Spider-Man's Webs. Spider-Man's web-shooters are twin devices, worn on his wrists beneath the gauntlets of his costume, that can shoot thin strands of a special web fluid (the chemical composition of which is not known) at high pressure.
Experiment 1 (How spiders eat their prey): The water represents spider venom and the sugar cube represents the insect. Students use the eyedropper to put water on the sugar cube and observe what happens to the sugar. Experiment 2 (Why spiders don't stick to their webs): Students walk their fingers over the tape and their fingers will stick. Explain that this is what happens when an insect walks on a spider web. Then have the students dip their fingers in cooking oil and walk their fingers over the tape again.