How to Make Coral Reefs for a Project

Written by jess jones
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How to Make Coral Reefs for a Project
Brain Coral (

Corals are tiny animals which belong to the group cnidaria along with hydras, jellyfish and sea anemones. Corals are not mobile; they stay fixed in one place. They feed by reaching out with tentacles to catch prey, such as small fish. Corals create reefs by secreting an exoskeleton of calcium carbonate to protect themselves. These coral reefs are mostly found in tropical waters but have also been found in cold water environments. Human activities, such as coral mining, blast fishing and pollution, have become the greatest threat to coral reefs.

Skill level:
Moderately Easy

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Things you need

  • Purple paint
  • Paint brush
  • Newspaper
  • Playdough or modelling clay
  • Radiatore pasta

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  1. 1

    Mold a ball with your modelling clay or playdough, and flatten it just a little to make it egg shaped.

  2. 2

    Press the radiatore pasta into the clay to make a "brain-like" pattern.

  3. 3

    Lay newspaper down on a flat surface. Set coral balls on newspaper.

  4. 4

    Paint the coral balls purple. Let dry.

Tips and warnings

  • Look for non-toxic paint of any colour for your coral. Purple is used an example colour.
  • If toxic paint is used, do not ingest. If ingested contact your doctor, 911 or local poison control centre immediately.

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