Spiders Lesson for Kids: Facts & Information

Instructor: Dacia Upkins

Dacia has taught all core elementary subjects for 14 years with a Master's degree in Urban Teacher Leadership.

Some fear them. Others keep them as pets. Either way, nobody can deny that spiders are some of the most intriguing animals! Learn some of their major characteristics and interesting facts in this lesson about spiders.

Singling Out Spiders

It's no wonder that one of our most popular superheroes is based on a man who has some of the best qualities of spiders. They can do some awesome stuff. Almost anyone can identify a spider, but many people are confused about what really makes them different from other animals. Spiders belong to a very large group called invertebrates, which means that they have no backbone. But it doesn't stop there.

Invertebrates are broken into smaller groups, one of which is called arachnids. Spiders and other arachnids have eight legs, and their bodies are broken into two main segments, or parts, called the cephalothorax and abdomen. Arachnids are often called insects, but this is inaccurate. Not only do their legs and body segments make them different, but unlike insects, arachnids have no wings, cannot chew, and they have no antennae.

Spiders have eight legs, two body segments, and fangs.~
spider

Physical Traits of Spiders

The spider has several body features that help them do some pretty amazing things (you know…like The Amazing Spider-man)! Spiders have things called spinnerets that produce the silk. This silk is used by spiders to build their homes (webs), catch their prey for food, hide, protect their babies, and to help them travel. Their bodies are also covered with an oil that prevents them from getting stuck to their own silk like their prey.

The wolf spider uses its silk to hold its babies on its back while they develop.
wolf spider

Because all spiders are predators, they have fangs that they use to paralyze or kill their prey. Spiders have no teeth, so they cannot chew or swallow. Therefore, the venom in their fangs not only can paralyze, but it liquefies the prey's insides. This becomes the spider's food. Soup, anyone?

Spiders release venom into prey through their fangs.
spider fangs

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