Playing with Electricity: Fun Experiments to do at Home
- Physical Science, Science Fun Facts
- April 20, 2012

Starfish are some of the most beautiful creatures in the sea. But did you know that they’re actually deadly predators? Starfish, or sea stars, are really interesting animals. Their “skeleton” is made of water! The sea star has a series of branching tubes running down each arm of its body. Each one of these tubes
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