| A | B |
| Balooning | method of traveling by wind and a silk thread. |
| Abdomen | 2nd main body part/holds silk. |
| Egg Sac | A sac made to protect the eggs, made out of silk. |
| Exoskeleton | The outer shell of a spider. |
| Molting | When the exoskeleton comes off. |
| Prey | Any creature that is hunted and caught for food. |
| Dragline | A lifeline that is a double thread that trails behind the spider. |
| Arachnid | Group of animals-spiders, scorpions, Daddy Longlegs Mites, and Ticks. |
| Signal Thread | A silk thread that goes from a hiding spider to its web to announce an insect on the web. |
| Spinnerets | Small tubes at the end of the abdomen where the silk comes out. |
| Cephalothorax | One of the main parts of a spiders body-legs, fangs, eyes, mouth, and poison gland. |
| Orb Web | A round web. |