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Old 04-11-2006, 07:46 AM
Set2722 Set2722 is offline
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Default Model of a jelllyfish

Hello - my first-grade daughter has to do an academic fair project on jellyfish, including basic facts and a visual display that she's supposed to do herself. I have no clue how to help her make a model of a jellyfish, especially since they're mostly transparent. Any ideas? Thanks!!!
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Old 04-11-2006, 09:32 PM
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Here's something which might help you

Jellyfish are marine invertebrates belonging to the Scyphozoan class, and in turn the phylum Cnidaria. The body of an adult jellyfish is composed of a bell-shaped, jellylike substance enclosing its internal structure, from which the creature's tentacles suspend. Each tentacle is covered with stinging cells (cnidocytes) that can stun or kill other animals: most jellyfish use them to secure prey or as a defense mechanism. Others, such as Rhizostomae, do not have tentacles at all.

To compensate for its lack of basic sensory organs and a brain, the jellyfish exploits its nervous system and rhopalia to perceive stimuli, such as light or odor, and orchestrate expedient responses. In its adult form, it is composed of 94-98% water and can be found in every pelagic area of the world.

Most jellyfish are passive drifters that feed on small fish and zooplankton that become caught in their tentacles. Jellyfish have an incomplete digestive system, meaning that the same orifice is used for both food intake and waste expulsion. They are made up of a layer of epidermis, gastrodermis, and a thick jellylike layer called mesoglea that separates the epidermis from the gastrodermis.

Since jellyfish do not biologically qualify as actual "fish", the term "jellyfish" is considered a misnomer by some, who instead employ the names "jellies" or "sea jellies". The name "jellyfish" is also often used to denote either Hydrozoa or the box jellyfish, Cubozoa.



To make the model, you could use a transparent sheet of plastic giving it a base with shaped like a jellyfish. Blow air into the bag to give it a 3D effect.

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Old 04-12-2006, 03:53 AM
Set2722 Set2722 is offline
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Thanks so much for the idea! It's definitely helped me brainstorm in a different direction!
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Old 04-12-2006, 06:22 AM
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Hey! No problem, that's what we're here for....

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The Newtons and friends were taking tea
Beneath the boughs of an apple tree,
When a falling fruit landed on the
Head of the head of the family.
Mrs. Newton cried, 'Well deary me!
That could've caused an injury'.
But clever Isaac alone could see,
The situation's true gravity.

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