Kindergarten Grade - Social Studies

LESSON PROBLEM: A spider built a web on a rice plant. Why doesn't it get caught in its own web?


STUDY GUIDE




The rice field is home to many insects. Spiders like to build their webs among the rice plants. Spiders eat bugs!


A spider web is made from thread spun by spiders. Spiders have a special part of their bodies that makes silk. This body part that makes silk is called a spinneret. (spin-ner-et) A spider web is used as a resting place for the spider. It is used as a trap for catching food. Spiders build their webs on rice plants. They build their webs in the dark corners of the rice farm buildings.


One kind of spider builds its web among dead leaves on the ground. When an insect enters the web, a strand from the web moves and tells the spider it has food.


Another kind of spider holds onto a plant with its hindlegs. It holds a small web between the tips of its front legs to catch insects.

Some spiders do not spin webs. These spiders are called jumping spiders. Jumping spiders make a thread of silk to go up and down on. Instead of spinning a web to catch bugs, they jump on them. When they jump on a bug, they catch it and eat it.



Spiders have slippery feet. Their feet are slippery because they have oil on them. The oil on their feet keeps spiders from getting caught in their own sticky webs! Most spiders leave a trail of sticky silk as they walk. Spiders do not get caught in their own web because the tiny tips of spiders' legs are oily. The oil keeps spiders from getting trapped in the sticky silk.

Spiders provide food for birds and other animals that live in the rice field.






ACTIVITIES


Materials: A piece of duct tape, hand cream, paper towels.


Lay the piece of duct tape down with sticky side up.
With your fingers, walk like a bug across the tape. What happens?
Put a little hand cream on the tips of your fingers. Do not rub it in.
With your fingers, walk like a bug across the tape. What happens this time?
Now draw a picture of a spider.





EXTENDED LEARNING


Go on a cobweb safari.

Materials: magnifying glass, fine spray misting bottle filled with water, small notebook and pencil

Only investigate abandoned webs. If the weather is cold outside, go on your safari indoors where people do not often go, like in an attic or basement. If it is warm, search for spiders in a wooded area or on plants. Spider webs are more easily seen in the morning when dew is on plants and trees.

Find a cobweb.
Squirt it gently with the spray bottle.
Use the magnifying glass to look at the web more closely.
Draw the spider web.
Find as many webs as you can.
Draw some pictures of spiders to go with your webs.




VOCABULARY

  • spider
  • web
  • thread
  • silk
  • sticky


Click here to play Rice Rampage!
How is Rice Grown:
Farming rice is hard work. Click here to learn more about the Stages of Farming Rice.
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