Science Matters Blog: Animals: How are spiders able to walk on their own web without getting stuck? Have students dip their fingertips into cooking oil and then “walk” their fingers across the sticky side of a piece of tape.
"experiment on how spiders sense vibrations in their webs. I grabbed a ball of black yarn and had my students sit in a circle. The each told a spider fact that they had learned and passed the ball of yarn around while holding on to a piece. Soon we had a huge web. I then had my class close their eyes and tossed rubber insects into the web. They raised their hands to show they felt the vibration!"